2018/2019 ICD-10-CM Index

2018/2019 ICD-10-CM Index
'O' Terms

Observation (following) (for) (without need for further medical care) Z04.9
ICD-10-CM Diagnosis Code Z04.9
Encounter for examination and observation for unspecified reason
Applicable To
Encounter for observation NOS
- accident NEC Z04.3
  ICD-10-CM Diagnosis Code Z04.3
  Encounter for examination and observation following other accident
  2016 2017 2018 2019 Billable/Specific Code
  - at work Z04.2
    ICD-10-CM Diagnosis Code Z04.2
    Encounter for examination and observation following work accident
    2016 2017 2018 2019 Billable/Specific Code
  - transport Z04.1
    ICD-10-CM Diagnosis Code Z04.1
    Encounter for examination and observation following transport accident
    2016 2017 2018 2019 Billable/Specific Code
    Type 1 Excludes
    encounter for examination and observation following work accident (Z04.2)
- adverse effect of drug Z03.6
  ICD-10-CM Diagnosis Code Z03.6
  Encounter for observation for suspected toxic effect from ingested substance ruled out
  2016 2017 2018 2019 Billable/Specific Code POA Exempt
  Applicable To
  Encounter for observation for suspected adverse effect from drug
  Encounter for observation for suspected poisoning
- alleged rape or sexual assault (victim)
  - adult Z04.41
    ICD-10-CM Diagnosis Code Z04.41
    Encounter for examination and observation following alleged adult rape
    2016 2017 2018 2019 Billable/Specific Code Adult Dx (15-124 years)
    Applicable To
    Suspected adult rape, ruled out
    Suspected adult sexual abuse, ruled out
  - child Z04.42
    ICD-10-CM Diagnosis Code Z04.42
    Encounter for examination and observation following alleged child rape
    2016 2017 2018 2019 Billable/Specific Code Pediatric Dx (0-17 years)
    Applicable To
    Suspected child rape, ruled out
    Suspected child sexual abuse, ruled out
- criminal assault Z04.89
  ICD-10-CM Diagnosis Code Z04.89
  Encounter for examination and observation for other specified reasons
  2019 - New Code Billable/Specific Code POA Exempt
- development state
  - adolescent Z00.3
    ICD-10-CM Diagnosis Code Z00.3
    Encounter for examination for adolescent development state
    2016 2017 2018 2019 Billable/Specific Code Pediatric Dx (0-17 years) POA Exempt
    Applicable To
    Encounter for puberty development state
  - period of rapid growth in childhood Z00.2
    ICD-10-CM Diagnosis Code Z00.2
    Encounter for examination for period of rapid growth in childhood
    2016 2017 2018 2019 Billable/Specific Code Pediatric Dx (0-17 years) POA Exempt
  - puberty Z00.3
    ICD-10-CM Diagnosis Code Z00.3
    Encounter for examination for adolescent development state
    2016 2017 2018 2019 Billable/Specific Code Pediatric Dx (0-17 years) POA Exempt
    Applicable To
    Encounter for puberty development state
- disease, specified NEC Z03.89
  ICD-10-CM Diagnosis Code Z03.89
  Encounter for observation for other suspected diseases and conditions ruled out
  2016 2017 2018 2019 Billable/Specific Code POA Exempt
- following work accident Z04.2
  ICD-10-CM Diagnosis Code Z04.2
  Encounter for examination and observation following work accident
  2016 2017 2018 2019 Billable/Specific Code
- forced labor exploitation Z04.82
  ICD-10-CM Diagnosis Code Z04.82
  Encounter for examination and observation of victim following forced labor exploitation
  2019 - New Code Billable/Specific Code POA Exempt
- forced sexual exploitation Z04.81
  ICD-10-CM Diagnosis Code Z04.81
  Encounter for examination and observation of victim following forced sexual exploitation
  2019 - New Code Billable/Specific Code POA Exempt
- growth and development state - see Observation, development state
- injuries (accidental) - see also Observation, accident
- newborn (for)
  - suspected condition, related to exposure from the mother or birth process - see - Newborn, affected by, maternal
    - ruled out Z05.9
      ICD-10-CM Diagnosis Code Z05.9
      Observation and evaluation of newborn for unspecified suspected condition ruled out
      2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      - cardiac Z05.0
        ICD-10-CM Diagnosis Code Z05.0
        Observation and evaluation of newborn for suspected cardiac condition ruled out
        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      - connective tissue Z05.73
        ICD-10-CM Diagnosis Code Z05.73
        Observation and evaluation of newborn for suspected connective tissue condition ruled out
        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      - gastrointestinal Z05.5
        ICD-10-CM Diagnosis Code Z05.5
        Observation and evaluation of newborn for suspected gastrointestinal condition ruled out
        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      - genetic Z05.41
        ICD-10-CM Diagnosis Code Z05.41
        Observation and evaluation of newborn for suspected genetic condition ruled out
        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      - genitourinary Z05.6
        ICD-10-CM Diagnosis Code Z05.6
        Observation and evaluation of newborn for suspected genitourinary condition ruled out
        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      - immunologic Z05.43
        ICD-10-CM Diagnosis Code Z05.43
        Observation and evaluation of newborn for suspected immunologic condition ruled out
        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      - infectious Z05.1
        ICD-10-CM Diagnosis Code Z05.1
        Observation and evaluation of newborn for suspected infectious condition ruled out
        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      - metabolic Z05.42
        ICD-10-CM Diagnosis Code Z05.42
        Observation and evaluation of newborn for suspected metabolic condition ruled out
        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      - musculoskeletal Z05.72
        ICD-10-CM Diagnosis Code Z05.72
        Observation and evaluation of newborn for suspected musculoskeletal condition ruled out
        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      - neurological Z05.2
        ICD-10-CM Diagnosis Code Z05.2
        Observation and evaluation of newborn for suspected neurological condition ruled out
        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      - respiratory Z05.3
        ICD-10-CM Diagnosis Code Z05.3
        Observation and evaluation of newborn for suspected respiratory condition ruled out
        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      - skin and subcutaneous tissue Z05.71
        ICD-10-CM Diagnosis Code Z05.71
        Observation and evaluation of newborn for suspected skin and subcutaneous tissue condition ruled out
        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      - specified condition NEC Z05.8
        ICD-10-CM Diagnosis Code Z05.8
        Observation and evaluation of newborn for other specified suspected condition ruled out
        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
- postpartum
  - immediately after delivery Z39.0
    ICD-10-CM Diagnosis Code Z39.0
    Encounter for care and examination of mother immediately after delivery
    2016 2017 2018 2019 Billable/Specific Code Maternity Dx (12-55 years) Female Dx POA Exempt
    Applicable To
    Care and observation in uncomplicated cases when the delivery occurs outside a healthcare facility
    Type 1 Excludes
    care for postpartum complication- see Alphabetic index
  - routine follow-up Z39.2
    ICD-10-CM Diagnosis Code Z39.2
    Encounter for routine postpartum follow-up
    2016 2017 2018 2019 Billable/Specific Code Maternity Dx (12-55 years) Female Dx POA Exempt
- pregnancy (normal) (without complication) Z34.9-
  ICD-10-CM Diagnosis Code Z34.9-
  Encounter for supervision of normal pregnancy, unspecified
  2016 2017 2018 2019 Non-Billable/Non-Specific Code
  - high risk O09.9-
    ICD-10-CM Diagnosis Code O09.9-
    Supervision of high risk pregnancy, unspecified
    2016 2017 2018 2019 Non-Billable/Non-Specific Code
- suicide attempt, alleged NEC Z03.89
  ICD-10-CM Diagnosis Code Z03.89
  Encounter for observation for other suspected diseases and conditions ruled out
  2016 2017 2018 2019 Billable/Specific Code POA Exempt
  - self-poisoning Z03.6
    ICD-10-CM Diagnosis Code Z03.6
    Encounter for observation for suspected toxic effect from ingested substance ruled out
    2016 2017 2018 2019 Billable/Specific Code POA Exempt
    Applicable To
    Encounter for observation for suspected adverse effect from drug
    Encounter for observation for suspected poisoning
- suspected, ruled out - see also Suspected condition, ruled out
  - abuse, physical
    - adult Z04.71
      ICD-10-CM Diagnosis Code Z04.71
      Encounter for examination and observation following alleged adult physical abuse
      2016 2017 2018 2019 Billable/Specific Code Adult Dx (15-124 years)
      Applicable To
      Suspected adult physical abuse, ruled out
      Type 1 Excludes
      confirmed case of adult physical abuse (T74.-)
      encounter for examination and observation following alleged adult sexual abuse (Z04.41)
      suspected case of adult physical abuse, not ruled out (T76.-)
    - child Z04.72
      ICD-10-CM Diagnosis Code Z04.72
      Encounter for examination and observation following alleged child physical abuse
      2016 2017 2018 2019 Billable/Specific Code Pediatric Dx (0-17 years)
      Applicable To
      Suspected child physical abuse, ruled out
      Type 1 Excludes
      confirmed case of child physical abuse (T74.-)
      encounter for examination and observation following alleged child sexual abuse (Z04.42)
      suspected case of child physical abuse, not ruled out (T76.-)
  - accident at work Z04.2
    ICD-10-CM Diagnosis Code Z04.2
    Encounter for examination and observation following work accident
    2016 2017 2018 2019 Billable/Specific Code
  - adult battering victim Z04.71
    ICD-10-CM Diagnosis Code Z04.71
    Encounter for examination and observation following alleged adult physical abuse
    2016 2017 2018 2019 Billable/Specific Code Adult Dx (15-124 years)
    Applicable To
    Suspected adult physical abuse, ruled out
    Type 1 Excludes
    confirmed case of adult physical abuse (T74.-)
    encounter for examination and observation following alleged adult sexual abuse (Z04.41)
    suspected case of adult physical abuse, not ruled out (T76.-)
  - child battering victim Z04.72
    ICD-10-CM Diagnosis Code Z04.72
    Encounter for examination and observation following alleged child physical abuse
    2016 2017 2018 2019 Billable/Specific Code Pediatric Dx (0-17 years)
    Applicable To
    Suspected child physical abuse, ruled out
    Type 1 Excludes
    confirmed case of child physical abuse (T74.-)
    encounter for examination and observation following alleged child sexual abuse (Z04.42)
    suspected case of child physical abuse, not ruled out (T76.-)
  - condition NEC Z03.89
    ICD-10-CM Diagnosis Code Z03.89
    Encounter for observation for other suspected diseases and conditions ruled out
    2016 2017 2018 2019 Billable/Specific Code POA Exempt
    - newborn Z05.9
      - see also Observation, newborn (for), suspected condition, ruled out
      ICD-10-CM Diagnosis Code Z05.9
      Observation and evaluation of newborn for unspecified suspected condition ruled out
      2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
  - drug poisoning or adverse effect Z03.6
    ICD-10-CM Diagnosis Code Z03.6
    Encounter for observation for suspected toxic effect from ingested substance ruled out
    2016 2017 2018 2019 Billable/Specific Code POA Exempt
    Applicable To
    Encounter for observation for suspected adverse effect from drug
    Encounter for observation for suspected poisoning
  - exposure (to)
    - anthrax Z03.810
      ICD-10-CM Diagnosis Code Z03.810
      Encounter for observation for suspected exposure to anthrax ruled out
      2016 2017 2018 2019 Billable/Specific Code POA Exempt
    - biological agent NEC Z03.818
      ICD-10-CM Diagnosis Code Z03.818
      Encounter for observation for suspected exposure to other biological agents ruled out
      2016 2017 2018 2019 Billable/Specific Code POA Exempt
  - inflicted injury NEC Z04.89
    ICD-10-CM Diagnosis Code Z04.89
    Encounter for examination and observation for other specified reasons
    2019 - New Code Billable/Specific Code POA Exempt
  - suicide attempt, alleged Z03.89
    ICD-10-CM Diagnosis Code Z03.89
    Encounter for observation for other suspected diseases and conditions ruled out
    2016 2017 2018 2019 Billable/Specific Code POA Exempt
    - self-poisoning Z03.6
      ICD-10-CM Diagnosis Code Z03.6
      Encounter for observation for suspected toxic effect from ingested substance ruled out
      2016 2017 2018 2019 Billable/Specific Code POA Exempt
      Applicable To
      Encounter for observation for suspected adverse effect from drug
      Encounter for observation for suspected poisoning
  - toxic effects from ingested substance Z03.6
    (drug) (poison)
    ICD-10-CM Diagnosis Code Z03.6
    Encounter for observation for suspected toxic effect from ingested substance ruled out
    2016 2017 2018 2019 Billable/Specific Code POA Exempt
    Applicable To
    Encounter for observation for suspected adverse effect from drug
    Encounter for observation for suspected poisoning
- toxic effects from ingested substance Z03.6
  (drug) (poison)
  ICD-10-CM Diagnosis Code Z03.6
  Encounter for observation for suspected toxic effect from ingested substance ruled out
  2016 2017 2018 2019 Billable/Specific Code POA Exempt
  Applicable To
  Encounter for observation for suspected adverse effect from drug
  Encounter for observation for suspected poisoning

Observation (following) (for) (without need for further medical care) Z04.9ICD-10-CM Diagnosis Code Z04.9Encounter for examination and observation for unspecified reason2016 2017 2018 2019 Billable/Specific Code Applicable ToEncounter for observation NOS

Encounter for examination and observation for unspecified reason

Encounter for examination and observation following other accident

Encounter for examination and observation following work accident

Encounter for examination and observation following transport accident

Encounter for observation for suspected toxic effect from ingested substance ruled out

Encounter for examination and observation following alleged adult rape

Encounter for examination and observation following alleged child rape

Encounter for examination and observation for other specified reasons

Encounter for examination for adolescent development state

Encounter for examination for period of rapid growth in childhood

Encounter for examination for adolescent development state

Encounter for observation for other suspected diseases and conditions ruled out

Encounter for examination and observation following work accident

Encounter for examination and observation of victim following forced labor exploitation

Encounter for examination and observation of victim following forced sexual exploitation

Observation and evaluation of newborn for unspecified suspected condition ruled out

Observation and evaluation of newborn for suspected cardiac condition ruled out

Observation and evaluation of newborn for suspected connective tissue condition ruled out

Observation and evaluation of newborn for suspected gastrointestinal condition ruled out

Observation and evaluation of newborn for suspected genetic condition ruled out

Observation and evaluation of newborn for suspected genitourinary condition ruled out

Observation and evaluation of newborn for suspected immunologic condition ruled out

Observation and evaluation of newborn for suspected infectious condition ruled out

Observation and evaluation of newborn for suspected metabolic condition ruled out

Observation and evaluation of newborn for suspected musculoskeletal condition ruled out

Observation and evaluation of newborn for suspected neurological condition ruled out

Observation and evaluation of newborn for suspected respiratory condition ruled out

Observation and evaluation of newborn for suspected skin and subcutaneous tissue condition ruled out

Observation and evaluation of newborn for other specified suspected condition ruled out

Encounter for care and examination of mother immediately after delivery

Encounter for routine postpartum follow-up

Encounter for supervision of normal pregnancy, unspecified

Supervision of high risk pregnancy, unspecified

Encounter for observation for other suspected diseases and conditions ruled out

Encounter for observation for suspected toxic effect from ingested substance ruled out

Encounter for examination and observation following alleged adult physical abuse

Encounter for examination and observation following alleged child physical abuse

Encounter for examination and observation following work accident

Encounter for examination and observation following alleged adult physical abuse

Encounter for examination and observation following alleged child physical abuse

Encounter for observation for other suspected diseases and conditions ruled out

Observation and evaluation of newborn for unspecified suspected condition ruled out

Encounter for observation for suspected toxic effect from ingested substance ruled out

Encounter for observation for suspected exposure to anthrax ruled out

Encounter for observation for suspected exposure to other biological agents ruled out

Encounter for examination and observation for other specified reasons

Encounter for observation for other suspected diseases and conditions ruled out

Encounter for observation for suspected toxic effect from ingested substance ruled out

Encounter for observation for suspected toxic effect from ingested substance ruled out

Encounter for observation for suspected toxic effect from ingested substance ruled out

Observation (following) (for) (without need for further medical care) Z04.9
ICD-10-CM Diagnosis Code Z04.9
Encounter for examination and observation for unspecified reason
2016 2017 2018 2019 Billable/Specific Code
Applicable To
Encounter for observation NOS