1. 2018 ICD-10-CM Index
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Index Terms Starting With 'I' (211) ›

• I.Q.
• IBDU K52.3
  (colonic inflammatory bowel dissease unclassified)
  ICD-10-CM Diagnosis Code K52.3

  Indeterminate colitis

  2017 - New Code 2018 Billable/Specific Code

  Applicable To

  • Colonic inflammatory bowel disease unclassified (IBDU)

  Type 1 Excludes

  • unspecified colitis (K52.9)
• Ichthyoparasitism due to Vandellia cirrhosa B88.8
  ICD-10-CM Diagnosis Code B88.8

  Other specified infestations

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Ichthyoparasitism due to Vandellia cirrhosa
  • Linguatulosis
  • Porocephaliasis
• Ichthyosis (congenital) Q80.9
  ICD-10-CM Diagnosis Code Q80.9

  Congenital ichthyosis, unspecified

  2016 2017 2018 Billable/Specific Code POA Exempt
• Ichthyotoxism - see Poisoning, fish
• Icteroanemia, hemolytic (acquired) D59.9
  ICD-10-CM Diagnosis Code D59.9

  Acquired hemolytic anemia, unspecified

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Idiopathic hemolytic anemia, chronic
• Icterus - see also Jaundice
• Ictus solaris, solis T67.0
  ICD-10-CM Diagnosis Code T67.0

  Heatstroke and sunstroke

  2016 2017 2018 Non-Billable/Non-Specific Code

  Applicable To

  • Heat apoplexy
  • Heat pyrexia
  • Siriasis
  • Thermoplegia

  Use Additional

  • code(s) to identify any associated complications of heatstroke, such as:
  • coma and stupor (R40.-)
  • systemic inflammatory response syndrome (R65.1-)
• Id reaction L30.2
  (due to bacteria)
  ICD-10-CM Diagnosis Code L30.2

  Cutaneous autosensitization

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Candidid [levurid]
  • Dermatophytid
  • Eczematid
• Ideation
• Identity disorder (child) F64.9
  ICD-10-CM Diagnosis Code F64.9

  Gender identity disorder, unspecified

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Gender dysphoria, unspecified
  • Gender-role disorder NOS
• Idioglossia F80.0
  ICD-10-CM Diagnosis Code F80.0

  Phonological disorder

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Dyslalia
  • Functional speech articulation disorder
  • Lalling
  • Lisping
  • Phonological developmental disorder
  • Speech articulation developmental disorder
  • Speech-sound disorder

  Type 1 Excludes

  • speech articulation impairment due to aphasia NOS (R47.01)
  • speech articulation impairment due to apraxia (R48.2)

  Type 2 Excludes

  • speech articulation impairment due to hearing loss (F80.4)
  • speech articulation impairment due to intellectual disabilities (F70-F79)
  • speech articulation impairment with expressive language developmental disorder (F80.1)
  • speech articulation impairment with mixed receptive expressive language developmental disorder (F80.2)
• Idiopathic - see condition
• Idiot, idiocy (congenital) F73
  ICD-10-CM Diagnosis Code F73

  Profound intellectual disabilities

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • IQ level below 20-25
  • Profound mental subnormality
• IgE asthma J45.909
  ICD-10-CM Diagnosis Code J45.909

  Unspecified asthma, uncomplicated

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Asthma NOS

  Type 2 Excludes

  • lung diseases due to external agents (J60-J70)
• IIAC Q28.8
  (idiopathic infantile arterial calcification)
  ICD-10-CM Diagnosis Code Q28.8

  Other specified congenital malformations of circulatory system

  2016 2017 2018 Billable/Specific Code POA Exempt

  Applicable To

  • Congenital aneurysm, specified site NEC
  • Spinal vessel anomaly
• Ileitis (chronic) (noninfectious) K52.9
  - see also Enteritis
  ICD-10-CM Diagnosis Code K52.9

  Noninfective gastroenteritis and colitis, unspecified

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Colitis NOS
  • Enteritis NOS
  • Gastroenteritis NOS
  • Ileitis NOS
  • Jejunitis NOS
  • Sigmoiditis NOS

  Type 1 Excludes

  • diarrhea NOS (R19.7)
  • functional diarrhea (K59.1)
  • infectious gastroenteritis and colitis NOS (A09)
  • neonatal diarrhea (noninfective) (P78.3)
  • psychogenic diarrhea (F45.8)
• Ileocolitis K52.9
  - see also Enteritis
  ICD-10-CM Diagnosis Code K52.9

  Noninfective gastroenteritis and colitis, unspecified

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Colitis NOS
  • Enteritis NOS
  • Gastroenteritis NOS
  • Ileitis NOS
  • Jejunitis NOS
  • Sigmoiditis NOS

  Type 1 Excludes

  • diarrhea NOS (R19.7)
  • functional diarrhea (K59.1)
  • infectious gastroenteritis and colitis NOS (A09)
  • neonatal diarrhea (noninfective) (P78.3)
  • psychogenic diarrhea (F45.8)
• Ileostomy
• Ileotyphus - see Typhoid
• Ileum - see condition
• Ileus (bowel) (colon) (inhibitory) (intestine) K56.7
  ICD-10-CM Diagnosis Code K56.7

  Ileus, unspecified

  2016 2017 2018 Billable/Specific Code

  Type 1 Excludes

  • obstructive ileus (K56.69-)

  Type 2 Excludes

  • intestinal obstruction with hernia (K40-K46)
• Iliac - see condition
• Iliotibial band syndrome M76.3-
  ICD-10-CM Diagnosis Code M76.3-

  Iliotibial band syndrome

  2016 2017 2018 Non-Billable/Non-Specific Code
• Illiteracy Z55.0
  ICD-10-CM Diagnosis Code Z55.0

  Illiteracy and low-level literacy

  2016 2017 2018 Billable/Specific Code POA Exempt
• Illness R69
  - see also Disease
  ICD-10-CM Diagnosis Code R69

  Illness, unspecified

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Unknown and unspecified cases of morbidity
• Imbalance R26.89
  ICD-10-CM Diagnosis Code R26.89

  Other abnormalities of gait and mobility

  2016 2017 2018 Billable/Specific Code
• Imbecile, imbecility F71
  (I.Q.35-49)
  ICD-10-CM Diagnosis Code F71

  Moderate intellectual disabilities

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • IQ level 35-40 to 50-55
  • Moderate mental subnormality
• Imbedding, intrauterine device T83.39
  ICD-10-CM Diagnosis Code T83.39

  Other mechanical complication of intrauterine contraceptive device

  2016 2017 2018 Non-Billable/Non-Specific Code

  Applicable To

  • Leakage of intrauterine contraceptive device
  • Obstruction (mechanical) of intrauterine contraceptive device
  • Perforation of intrauterine contraceptive device
  • Protrusion of intrauterine contraceptive device
• Imbibition, cholesterol K82.4
  (gallbladder)
  ICD-10-CM Diagnosis Code K82.4

  Cholesterolosis of gallbladder

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Strawberry gallbladder

  Type 1 Excludes

  • cholesterolosis of gallbladder with cholecystitis (K81.-)
  • cholesterolosis of gallbladder with cholelithiasis (K80.-)
• Imbrication, teeth,, fully erupted M26.30
  ICD-10-CM Diagnosis Code M26.30

  Unspecified anomaly of tooth position of fully erupted tooth or teeth

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Abnormal spacing of fully erupted tooth or teeth NOS
  • Displacement of fully erupted tooth or teeth NOS
  • Transposition of fully erupted tooth or teeth NOS
• Imerslund D51.1
  (-Gräsbeck)
  ICD-10-CM Diagnosis Code D51.1

  Vitamin B12 deficiency anemia due to selective vitamin B12 malabsorption with proteinuria

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Imerslund (Gräsbeck) syndrome
  • Megaloblastic hereditary anemia
• Immature - see also Immaturity
• Immaturity (less than 37 completed weeks) - see also Preterm, newborn
• Immersion T75.1
  ICD-10-CM Diagnosis Code T75.1

  Unspecified effects of drowning and nonfatal submersion

  2016 2017 2018 Non-Billable/Non-Specific Code

  Applicable To

  • Immersion

  Type 1 Excludes

  • specified effects of drowning- code to effects
• Immobile, immobility
• Immune reconstitution D89.3
  (inflammatory)
  ICD-10-CM Diagnosis Code D89.3

  Immune reconstitution syndrome

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Immune reconstitution inflammatory syndrome [IRIS]

  Use Additional

  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
• Immunization - see also Vaccination
• Immunocytoma C83.0-
  ICD-10-CM Diagnosis Code C83.0-

  Small cell B-cell lymphoma

  2016 2017 2018 Non-Billable/Non-Specific Code

  Applicable To

  • Lymphoplasmacytic lymphoma
  • Nodal marginal zone lymphoma
  • Non-leukemic variant of B-CLL
  • Splenic marginal zone lymphoma

  Type 1 Excludes

  • chronic lymphocytic leukemia (C91.1)
  • mature T/NK-cell lymphomas (C84.-)
  • Waldenström macroglobulinemia (C88.0)
• Immunodeficiency D84.9
  ICD-10-CM Diagnosis Code D84.9

  Immunodeficiency, unspecified

  2016 2017 2018 Billable/Specific Code
• Immunotherapy (encounter for)
• Impaction, impacted
• Impaired, impairment (function)
• Impediment, speech R47.9
  ICD-10-CM Diagnosis Code R47.9

  Unspecified speech disturbances

  2016 2017 2018 Billable/Specific Code
• Impending
• Imperception auditory (acquired) - see also Deafness
• Imperfect
• Imperfectly descended testis - see Cryptorchid
• Imperforate (congenital) - see also Atresia
• Impervious (congenital) - see also Atresia
• Impetiginization of dermatoses L01.1
  ICD-10-CM Diagnosis Code L01.1

  Impetiginization of other dermatoses

  2016 2017 2018 Billable/Specific Code
• Impetigo (any organism) (any site) (circinate) (contagiosa) (simplex) (vulgaris) L01.00
  ICD-10-CM Diagnosis Code L01.00

  Impetigo, unspecified

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Impetigo NOS
• Impingement (on teeth)
• Implant, endometrial N80.9
  ICD-10-CM Diagnosis Code N80.9

  Endometriosis, unspecified

  2016 2017 2018 Billable/Specific Code Female Dx
• Implantation
• Impotence (sexual) N52.9
  ICD-10-CM Diagnosis Code N52.9

  Male erectile dysfunction, unspecified

  2016 2017 2018 Billable/Specific Code Adult Dx (15-124 years) Male Dx

  Applicable To

  • Impotence NOS
• Impression, basilar Q75.8
  ICD-10-CM Diagnosis Code Q75.8

  Other specified congenital malformations of skull and face bones

  2016 2017 2018 Billable/Specific Code POA Exempt

  Applicable To

  • Absence of skull bone, congenital
  • Congenital deformity of forehead
  • Platybasia
• Imprisonment, anxiety concerning Z65.1
  ICD-10-CM Diagnosis Code Z65.1

  Imprisonment and other incarceration

  2016 2017 2018 Billable/Specific Code POA Exempt
• Improper care (child) (newborn) - see Maltreatment
• Improperly tied umbilical cord P51.8
  (causing hemorrhage)
  ICD-10-CM Diagnosis Code P51.8

  Other umbilical hemorrhages of newborn

  2016 2017 2018 Billable/Specific Code Code on Newborn Record

  Applicable To

  • Slipped umbilical ligature NOS
• Impulsiveness R45.87
  (impulsive)
  ICD-10-CM Diagnosis Code R45.87

  Impulsiveness

  2016 2017 2018 Billable/Specific Code
• Inability to swallow - see Aphagia
• Inaccessible, inaccessibility
• Inactive - see condition
• Inadequate, inadequacy
• Inanition R64
  ICD-10-CM Diagnosis Code R64

  Cachexia

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Wasting syndrome

  Code First

  • underlying condition, if known

  Type 1 Excludes

  • abnormal weight loss (R63.4)
  • nutritional marasmus (E41)
• Inappropriate
• Inattention at or after birth - see Neglect
• Incarceration, incarcerated
• Incised wound
• Incision, incisional
• Inclusion
• Incompatibility
• Incompetency, incompetent, incompetence
• Incomplete - see also condition
• Inconclusive
• Incontinence R32
  ICD-10-CM Diagnosis Code R32

  Unspecified urinary incontinence

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Enuresis NOS

  Type 1 Excludes

  • functional urinary incontinence (R39.81)
  • nonorganic enuresis (F98.0)
  • stress incontinence and other specified urinary incontinence (N39.3-N39.4-)
  • urinary incontinence associated with cognitive impairment (R39.81)
• Incontinentia pigmenti Q82.3
  ICD-10-CM Diagnosis Code Q82.3

  Incontinentia pigmenti

  2016 2017 2018 Billable/Specific Code POA Exempt
• Incoordinate, incoordination
• Increase, increased
• Increta placenta O43.22-
  ICD-10-CM Diagnosis Code O43.22-

  Placenta increta

  2016 2017 2018 Non-Billable/Non-Specific Code
• Incrustation, cornea, foreign body (lead)(zinc) - see Foreign body, cornea
• Incyclophoria H50.54
  ICD-10-CM Diagnosis Code H50.54

  Cyclophoria

  2016 2017 2018 Billable/Specific Code
• Incyclotropia - see Cyclotropia
• Indeterminate sex Q56.4
  ICD-10-CM Diagnosis Code Q56.4

  Indeterminate sex, unspecified

  2016 2017 2018 Billable/Specific Code POA Exempt

  Applicable To

  • Ambiguous genitalia
• India rubber skin Q82.8
  ICD-10-CM Diagnosis Code Q82.8

  Other specified congenital malformations of skin

  2016 2017 2018 Billable/Specific Code POA Exempt

  Applicable To

  • Abnormal palmar creases
  • Accessory skin tags
  • Benign familial pemphigus [Hailey-Hailey]
  • Congenital poikiloderma
  • Cutis laxa (hyperelastica)
  • Dermatoglyphic anomalies
  • Inherited keratosis palmaris et plantaris
  • Keratosis follicularis [Darier-White]

  Type 1 Excludes

  • Ehlers-Danlos syndrome (Q79.6)
• Indigestion (acid) (bilious) (functional) K30
  ICD-10-CM Diagnosis Code K30

  Functional dyspepsia

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Indigestion

  Type 1 Excludes

  • dyspepsia NOS (R10.13)
  • heartburn (R12)
  • nervous dyspepsia (F45.8)
  • neurotic dyspepsia (F45.8)
  • psychogenic dyspepsia (F45.8)
• Indirect - see condition
• Induratio penis plastica N48.6
  ICD-10-CM Diagnosis Code N48.6

  Induration penis plastica

  2016 2017 2018 Billable/Specific Code Male Dx

  Applicable To

  • Peyronie's disease
  • Plastic induration of penis
• Induration, indurated
• Inebriety (without dependence) - see Alcohol, intoxication
• Inefficiency, kidney N28.9
  ICD-10-CM Diagnosis Code N28.9

  Disorder of kidney and ureter, unspecified

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Nephropathy NOS
  • Renal disease (acute) NOS
  • Renal insufficiency (acute)

  Type 1 Excludes

  • chronic renal insufficiency (N18.9)
  • unspecified nephritic syndrome (N05.-)
• Inelasticity, skin R23.4
  ICD-10-CM Diagnosis Code R23.4

  Changes in skin texture

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Desquamation of skin
  • Induration of skin
  • Scaling of skin

  Type 1 Excludes

  • epidermal thickening NOS (L85.9)
• Inequality, leg (length) (acquired) - see also Deformity, limb, unequal length
• Inertia
• Infancy, infantile, infantilism - see also condition
• Infant(s) - see also Infancy
• Infantile - see also condition
• Infantilism - see Infancy
• Infarct, infarction
• Infecting - see condition
• Infection, infected, infective (opportunistic) B99.9
  ICD-10-CM Diagnosis Code B99.9

  Unspecified infectious disease

  2016 2017 2018 Billable/Specific Code
• Infective, infectious - see condition
• Infertility
• Infestation B88.9
  ICD-10-CM Diagnosis Code B88.9

  Infestation, unspecified

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Infestation (skin) NOS
  • Infestation by mites NOS
  • Skin parasites NOS
• Infiltrate, infiltration
• Infirmity R68.89
  ICD-10-CM Diagnosis Code R68.89

  Other general symptoms and signs

  2016 2017 2018 Billable/Specific Code
• Inflammation, inflamed, inflammatory (with exudation)
• Inflation, lung, imperfect (newborn) - see Atelectasis
• Influenza (bronchial) (epidemic) (respiratory (upper)) (unidentified influenza virus) J11.1
  ICD-10-CM Diagnosis Code J11.1

  Influenza due to unidentified influenza virus with other respiratory manifestations

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Influenza NOS
  • Influenzal laryngitis NOS
  • Influenzal pharyngitis NOS
  • Influenza with upper respiratory symptoms NOS

  Use Additional

  • code for associated pleural effusion, if applicable (J91.8)
• Influenza-like disease - see Influenza
• Influenzal - see Influenza
• Infraction, Freiberg's (metatarsal head) - see Osteochondrosis, juvenile, metatarsus
• Infraeruption of tooth M26.34
  (teeth)
  ICD-10-CM Diagnosis Code M26.34

  Vertical displacement of fully erupted tooth or teeth

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Extruded tooth
  • Infraeruption of tooth or teeth
  • Supraeruption of tooth or teeth
• Infusion complication, misadventure, or reaction - see Complications, infusion
• Ingestion
• Ingrowing
• Inguinal - see also condition
• Inhalant-induced
• Inhalation
• Inhibition, orgasm
• Inhibitor, systemic lupus erythematosus D68.62
  (presence of)
  ICD-10-CM Diagnosis Code D68.62

  Lupus anticoagulant syndrome

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Lupus anticoagulant
  • Presence of systemic lupus erythematosus [SLE] inhibitor

  Type 1 Excludes

  • anticardiolipin syndrome (D68.61)
  • antiphospholipid syndrome (D68.61)
  • lupus anticoagulant (LAC) finding without diagnosis (R76.0)
  • lupus anticoagulant (LAC) with hemorrhagic disorder (D68.312)
• Iniencephalus, iniencephaly Q00.2
  ICD-10-CM Diagnosis Code Q00.2

  Iniencephaly

  2016 2017 2018 Billable/Specific Code POA Exempt
• Injection, traumatic jet T70.4
  (air) (industrial) (water) (paint or dye)
  ICD-10-CM Diagnosis Code T70.4

  Effects of high-pressure fluids

  2016 2017 2018 Non-Billable/Non-Specific Code

  Applicable To

  • Hydraulic jet injection (industrial)
  • Pneumatic jet injection (industrial)
  • Traumatic jet injection (industrial)
• Injury T14.90
  - see also specified injury type
  ICD-10-CM Diagnosis Code T14.90

  Injury, unspecified

  2016 2017 2018 - Deleted Code 2018 - New Code Non-Billable/Non-Specific Code

  Applicable To

  • Injury NOS
• Inoculation - see also Vaccination
• Insanity, insane - see also Psychosis
• Insect
• Insensitivity
• Insertion
• Insolation T67.0
  (sunstroke)
  ICD-10-CM Diagnosis Code T67.0

  Heatstroke and sunstroke

  2016 2017 2018 Non-Billable/Non-Specific Code

  Applicable To

  • Heat apoplexy
  • Heat pyrexia
  • Siriasis
  • Thermoplegia

  Use Additional

  • code(s) to identify any associated complications of heatstroke, such as:
  • coma and stupor (R40.-)
  • systemic inflammatory response syndrome (R65.1-)
• Insomnia (organic) G47.00
  ICD-10-CM Diagnosis Code G47.00

  Insomnia, unspecified

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Insomnia NOS
• Inspiration
• Inspissated bile syndrome P59.1
  (newborn)
  ICD-10-CM Diagnosis Code P59.1

  Inspissated bile syndrome

  2016 2017 2018 Billable/Specific Code Code on Newborn Record
• Instability
• Institutional syndrome F94.2
  (childhood)
  ICD-10-CM Diagnosis Code F94.2

  Disinhibited attachment disorder of childhood

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Affectionless psychopathy
  • Institutional syndrome

  Type 1 Excludes

  • reactive attachment disorder of childhood (F94.1)

  Type 2 Excludes

  • Asperger's syndrome (F84.5)
  • attention-deficit hyperactivity disorders (F90.-)
  • hospitalism in children (F43.2-)
• Institutionalization, affecting child Z62.22
  ICD-10-CM Diagnosis Code Z62.22

  Institutional upbringing

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Child living in orphanage or group home
• Insufficiency, insufficient
• Insufflation, fallopian Z31.41
  ICD-10-CM Diagnosis Code Z31.41

  Encounter for fertility testing

  2016 2017 2018 Billable/Specific Code POA Exempt

  Applicable To

  • Encounter for fallopian tube patency testing
  • Encounter for sperm count for fertility testing
• Insular - see condition
• Insulinoma
• Insuloma - see Insulinoma
• Interference
• Intermenstrual - see condition
• Intermittent - see condition
• Internal - see condition
• Interrogation
• Interruption
• Interstitial - see condition
• Intertrigo L30.4
  ICD-10-CM Diagnosis Code L30.4

  Erythema intertrigo

  2016 2017 2018 Billable/Specific Code
• Intervertebral disc - see condition
• Intestine, intestinal - see condition
• Intolerance
• Intoxicated NEC (without dependence) - see Alcohol, intoxication
• Intoxication
• Intraabdominal testis, testes
• Intracranial - see condition
• Intrahepatic gallbladder Q44.1
  ICD-10-CM Diagnosis Code Q44.1

  Other congenital malformations of gallbladder

  2016 2017 2018 Billable/Specific Code POA Exempt

  Applicable To

  • Congenital malformation of gallbladder NOS
  • Intrahepatic gallbladder
• Intraligamentous - see condition
• Intrathoracic - see also condition
• Intrauterine contraceptive device
• Intraventricular - see condition
• Intrinsic deformity - see Deformity
• Intubation, difficult or failed T88.4
  ICD-10-CM Diagnosis Code T88.4

  Failed or difficult intubation

  2016 2017 2018 Non-Billable/Non-Specific Code
• Intumescence, lens (eye) (cataract) - see Cataract
• Intussusception (bowel) (colon) (enteric) (ileocecal) (ileocolic) (intestine) ( rectum) K56.1
  ICD-10-CM Diagnosis Code K56.1

  Intussusception

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Intussusception or invagination of bowel
  • Intussusception or invagination of colon
  • Intussusception or invagination of intestine
  • Intussusception or invagination of rectum

  Type 2 Excludes

  • intussusception of appendix (K38.8)
• Invagination K56.1
  (bowel, colon, intestine or rectum)
  ICD-10-CM Diagnosis Code K56.1

  Intussusception

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Intussusception or invagination of bowel
  • Intussusception or invagination of colon
  • Intussusception or invagination of intestine
  • Intussusception or invagination of rectum

  Type 2 Excludes

  • intussusception of appendix (K38.8)
• Inversion
• Investigation Z04.9
  - see also Examination
  ICD-10-CM Diagnosis Code Z04.9

  Encounter for examination and observation for unspecified reason

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Encounter for observation NOS
• Involuntary movement, abnormal R25.9
  ICD-10-CM Diagnosis Code R25.9

  Unspecified abnormal involuntary movements

  2016 2017 2018 Billable/Specific Code
• Involution, involutional - see also condition
• IRDS (type I) P22.0
  ICD-10-CM Diagnosis Code P22.0

  Respiratory distress syndrome of newborn

  2016 2017 2018 Billable/Specific Code Code on Newborn Record

  Applicable To

  • Cardiorespiratory distress syndrome of newborn
  • Hyaline membrane disease
  • Idiopathic respiratory distress syndrome [IRDS or RDS] of newborn
  • Pulmonary hypoperfusion syndrome
  • Respiratory distress syndrome, type I
• Irideremia Q13.1
  ICD-10-CM Diagnosis Code Q13.1

  Absence of iris

  2016 2017 2018 Billable/Specific Code POA Exempt

  Applicable To

  • Aniridia

  Use Additional

  • code for associated glaucoma (H42)
• Iridis rubeosis - see Disorder, iris, vascular
• Iridochoroiditis (panuveitis) - see Panuveitis
• Iridocyclitis H20.9
  ICD-10-CM Diagnosis Code H20.9

  Unspecified iridocyclitis

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Uveitis NOS
• Iridocyclochoroiditis (panuveitis) - see Panuveitis
• Iridodialysis H21.53-
  ICD-10-CM Diagnosis Code H21.53-

  Iridodialysis

  2016 2017 2018 Non-Billable/Non-Specific Code
• Iridodonesis H21.89
  ICD-10-CM Diagnosis Code H21.89

  Other specified disorders of iris and ciliary body

  2016 2017 2018 Billable/Specific Code
• Iridoplegia H57.09
  (complete) (partial) (reflex)
  ICD-10-CM Diagnosis Code H57.09

  Other anomalies of pupillary function

  2016 2017 2018 Billable/Specific Code
• Iridoschisis H21.25-
  ICD-10-CM Diagnosis Code H21.25-

  Iridoschisis

  2016 2017 2018 Non-Billable/Non-Specific Code
• Iris - see also condition
• Iritis - see also Iridocyclitis
• Iron - see condition
• Iron-miner's lung J63.4
  ICD-10-CM Diagnosis Code J63.4

  Siderosis

  2016 2017 2018 Billable/Specific Code
• Irradiated enamel K03.89
  (tooth, teeth)
  ICD-10-CM Diagnosis Code K03.89

  Other specified diseases of hard tissues of teeth

  2016 2017 2018 Billable/Specific Code
• Irradiation effects, adverse T66
  ICD-10-CM Diagnosis Code T66

  Radiation sickness, unspecified

  2016 2017 2018 Non-Billable/Non-Specific Code

  Type 1 Excludes

  • specified adverse effects of radiation, such as:
  • burns (T20-T31)
  • leukemia (C91-C95)
  • radiation gastroenteritis and colitis (K52.0)
  • radiation pneumonitis (J70.0)
  • radiation related disorders of the skin and subcutaneous tissue (L55-L59)
  • sunburn (L55.-)
• Irreducible, irreducibility - see condition
• Irregular, irregularity
• Irritable, irritability R45.4
  ICD-10-CM Diagnosis Code R45.4

  Irritability and anger

  2016 2017 2018 Billable/Specific Code
• Irritation
• Ischemia, ischemic I99.8
  ICD-10-CM Diagnosis Code I99.8

  Other disorder of circulatory system

  2016 2017 2018 Billable/Specific Code
• Ischial spine - see condition
• Ischialgia - see Sciatica
• Ischiopagus Q89.4
  ICD-10-CM Diagnosis Code Q89.4

  Conjoined twins

  2016 2017 2018 Billable/Specific Code POA Exempt

  Applicable To

  • Craniopagus
  • Dicephaly
  • Pygopagus
  • Thoracopagus
• Ischium, ischial - see condition
• Ischuria R34
  ICD-10-CM Diagnosis Code R34

  Anuria and oliguria

  2016 2017 2018 Billable/Specific Code

  Type 1 Excludes

  • anuria and oliguria complicating abortion or ectopic or molar pregnancy (O00-O07, O08.4)
  • anuria and oliguria complicating pregnancy (O26.83-)
  • anuria and oliguria complicating the puerperium (O90.4)
• Iselin's disease or osteochondrosis - see Osteochondrosis, juvenile, metatarsus
• Islands of
• Islet cell tumor, pancreas D13.7
  ICD-10-CM Diagnosis Code D13.7

  Benign neoplasm of endocrine pancreas

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Islet cell tumor
  • Benign neoplasm of islets of Langerhans

  Use Additional

  • code to identify any functional activity.
• Isoimmunization NEC - see also Incompatibility
• Isolation, isolated
• Isoleucinosis E71.19
  ICD-10-CM Diagnosis Code E71.19

  Other disorders of branched-chain amino-acid metabolism

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Hyperleucine-isoleucinemia
  • Hypervalinemia
• Isomerism atrial appendages Q20.6
  (with asplenia or polysplenia)
  ICD-10-CM Diagnosis Code Q20.6

  Isomerism of atrial appendages

  2016 2017 2018 Billable/Specific Code POA Exempt

  Applicable To

  • Isomerism of atrial appendages with asplenia or polysplenia
• Isosporiasis, isosporosis A07.3
  ICD-10-CM Diagnosis Code A07.3

  Isosporiasis

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Infection due to Isospora belli and Isospora hominis
  • Intestinal coccidiosis
  • Isosporosis
• Isovaleric acidemia E71.110
  ICD-10-CM Diagnosis Code E71.110

  Isovaleric acidemia

  2016 2017 2018 Billable/Specific Code
• Issue of
• Itch, itching - see also Pruritus
• Ivemark's syndrome Q89.01
  (asplenia with congenital heart disease)
  ICD-10-CM Diagnosis Code Q89.01

  Asplenia (congenital)

  2016 2017 2018 Billable/Specific Code POA Exempt
• Ivory bones Q78.2
  ICD-10-CM Diagnosis Code Q78.2

  Osteopetrosis

  2016 2017 2018 Billable/Specific Code POA Exempt

  Applicable To

  • Albers-Schönberg syndrome
  • Osteosclerosis NOS
• Ixodiasis NEC B88.8
  ICD-10-CM Diagnosis Code B88.8

  Other specified infestations

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Ichthyoparasitism due to Vandellia cirrhosa
  • Linguatulosis
  • Porocephaliasis