2020 ICD-10-CM Diagnosis Code M27.8

Other specified diseases of jaws

    2016 2017 2018 2019 2020 Billable/Specific Code
  • M27.8 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM M27.8 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of M27.8 - other international versions of ICD-10 M27.8 may differ.
Applicable To
  • Cherubism
  • Exostosis
  • Fibrous dysplasia
  • Unilateral condylar hyperplasia
  • Unilateral condylar hypoplasia
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as M27.8. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • jaw pain (
    ICD-10-CM Diagnosis Code R68.84

    Jaw pain

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Mandibular pain
    • Maxilla pain
    Type 1 Excludes
    • temporomandibular joint arthralgia (M26.62-)
    R68.84
    )
The following code(s) above M27.8 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to M27.8:
  • M00-M99
    2020 ICD-10-CM Range M00-M99

    Diseases of the musculoskeletal system and connective tissue

    Note
    • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
    Type 2 Excludes
    • arthropathic psoriasis (L40.5-)
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • compartment syndrome (traumatic) (T79.A-)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    Diseases of the musculoskeletal system and connective tissue
  • M26-M27
    2020 ICD-10-CM Range M26-M27

    Dentofacial anomalies [including malocclusion] and other disorders of jaw

    Type 1 Excludes
    • hemifacial atrophy or hypertrophy (Q67.4)
    • unilateral condylar hyperplasia or hypoplasia (M27.8)
    Dentofacial anomalies [including malocclusion] and other disorders of jaw
Approximate Synonyms
  • Exostosis of jaw
  • Familial fibrosis dysplasia of the jaw
  • Fibrous dysplasia of jaw
  • Fistula of hard palate
  • Hard palate fistula
  • Jaw disorder, maxillary tori
  • Torus maxillaris
Clinical Information
  • A disorder characterized by non-neoplastic overgrowth of bone.
  • A fibro-osseous hereditary disease of the jaws. The swollen jaws and raised eyes give a cherubic appearance; multiple radiolucencies are evident upon radiographic examination.
  • A rare disorder usually caused by mutations in the sh3bp2 gene. It is characterized by prominence of the lower part of the face due to bilateral replacement of the mandible or maxilla bones by excessive fibrous tissue.
  • Benign hypertrophy that projects outward from the surface of bone, often containing a cartilaginous component.
  • Non-neoplastic overgrowth of bone.
ICD-10-CM M27.8 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 011 Tracheostomy for face, mouth & neck diagnoses or laryngectomy with mcc
  • 012 Tracheostomy for face, mouth & neck diagnoses or laryngectomy with cc
  • 013 Tracheostomy for face, mouth & neck diagnoses or laryngectomy without cc/mcc
  • 157 Dental and oral diseases with mcc
  • 158 Dental and oral diseases with cc
  • 159 Dental and oral diseases without cc/mcc

Convert M27.8 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
Code annotations containing back-references to M27.8:
  • Type 2 Excludes: M85.0
    ICD-10-CM Diagnosis Code M85.0

    Fibrous dysplasia (monostotic)

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • fibrous dysplasia of jaw (M27.8)

Diagnosis Index entries containing back-references to M27.8:
  • Cherubism M27.8
  • Deformity Q89.9
    ICD-10-CM Diagnosis Code Q89.9

    Congenital malformation, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
    Applicable To
    • Congenital anomaly NOS
    • Congenital deformity NOS
    • palate (congenital) Q38.5
      ICD-10-CM Diagnosis Code Q38.5

      Congenital malformations of palate, not elsewhere classified

        2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
      Applicable To
      • Congenital absence of uvula
      • Congenital malformation of palate NOS
      • Congenital high arched palate
      Type 1 Excludes
      • cleft palate (Q35.-)
      • cleft palate with cleft lip (Q37.-)
      • acquired M27.8
  • Disease, diseased - see also Syndrome
    • jaw M27.9
      ICD-10-CM Diagnosis Code M27.9

      Disease of jaws, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code
      • specified NEC M27.8
  • Dysplasia - see also Anomaly
  • Enostosis M27.8
  • Exostosis - see also Disorder, bone
    • jaw M27.8 (bone)
  • Fistula (cutaneous) L98.8
    ICD-10-CM Diagnosis Code L98.8

    Other specified disorders of the skin and subcutaneous tissue

      2016 2017 2018 2019 2020 Billable/Specific Code
    • palate M27.8 (hard)
  • Hyperplasia, hyperplastic
    • mandible, mandibular M26.03
      ICD-10-CM Diagnosis Code M26.03

      Mandibular hyperplasia

        2016 2017 2018 2019 2020 Billable/Specific Code
      • unilateral condylar M27.8
    • unilateral condylar M27.8
  • Hypertrophy, hypertrophic
  • Hypoplasia, hypoplastic
    • mandible, mandibular M26.04
      ICD-10-CM Diagnosis Code M26.04

      Mandibular hypoplasia

        2016 2017 2018 2019 2020 Billable/Specific Code
      • unilateral condylar M27.8
    • unilateral condylar M27.8

ICD-10-CM Codes Adjacent To M27.8
M27.5 Periradicular pathology associated with previous endodontic treatment
M27.51 Perforation of root canal space due to endodontic treatment
M27.52 Endodontic overfill
M27.53 Endodontic underfill
M27.59 Other periradicular pathology associated with previous endodontic treatment
M27.6 Endosseous dental implant failure
M27.61 Osseointegration failure of dental implant
M27.62 Post-osseointegration biological failure of dental implant
M27.63 Post-osseointegration mechanical failure of dental implant
M27.69 Other endosseous dental implant failure
M27.8 Other specified diseases of jaws
M27.9 Disease of jaws, unspecified
M30 Polyarteritis nodosa and related conditions
M30.0 Polyarteritis nodosa
M30.1 Polyarteritis with lung involvement [Churg-Strauss]
M30.2 Juvenile polyarteritis
M30.3 Mucocutaneous lymph node syndrome [Kawasaki]
M30.8 Other conditions related to polyarteritis nodosa
M31 Other necrotizing vasculopathies
M31.0 Hypersensitivity angiitis
M31.1 Thrombotic microangiopathy

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.