2020 ICD-10-CM Diagnosis Code M27

Other diseases of jaws

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
  • M27 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2020 edition of ICD-10-CM M27 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of M27 - other international versions of ICD-10 M27 may differ.
The following code(s) above M27 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:
  • 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
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:
  • Type 2 Excludes: K08
    ICD-10-CM Diagnosis Code K08

    Other disorders of teeth and supporting structures

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • dentofacial anomalies [including malocclusion] (M26.-)
    • disorders of jaw (M27.-)
ICD-10-CM Codes Adjacent To M27
M26.71 Alveolar maxillary hyperplasia
M26.72 Alveolar mandibular hyperplasia
M26.73 Alveolar maxillary hypoplasia
M26.74 Alveolar mandibular hypoplasia
M26.79 Other specified alveolar anomalies
M26.8 Other dentofacial anomalies
M26.81 Anterior soft tissue impingement
M26.82 Posterior soft tissue impingement
M26.89 Other dentofacial anomalies
M26.9 Dentofacial anomaly, unspecified
M27 Other diseases of jaws
M27.0 Developmental disorders of jaws
M27.1 Giant cell granuloma, central
M27.2 Inflammatory conditions of jaws
M27.3 Alveolitis of jaws
M27.4 Other and unspecified cysts of jaw
M27.40 Unspecified cyst of jaw
M27.49 Other cysts of jaw
M27.5 Periradicular pathology associated with previous endodontic treatment
M27.51 Perforation of root canal space due to endodontic treatment
M27.52 Endodontic overfill

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