2020 ICD-10-CM Diagnosis Code M26.2

Anomalies of dental arch relationship

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
  • M26.2 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 M26.2 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of M26.2 - other international versions of ICD-10 M26.2 may differ.
The following code(s) above M26.2 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 M26.2:
  • 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
ICD-10-CM Codes Adjacent To M26.2
M26.04 Mandibular hypoplasia
M26.05 Macrogenia
M26.06 Microgenia
M26.07 Excessive tuberosity of jaw
M26.09 Other specified anomalies of jaw size
M26.1 Anomalies of jaw-cranial base relationship
M26.10 Unspecified anomaly of jaw-cranial base relationship
M26.11 Maxillary asymmetry
M26.12 Other jaw asymmetry
M26.19 Other specified anomalies of jaw-cranial base relationship
M26.2 Anomalies of dental arch relationship
M26.20 Unspecified anomaly of dental arch relationship
M26.21 Malocclusion, Angle's class
M26.211 …… I
M26.212 …… II
M26.213 …… III
M26.219 …… unspecified
M26.22 Open occlusal relationship
M26.220 Open anterior occlusal relationship
M26.221 Open posterior occlusal relationship
M26.23 Excessive horizontal overlap

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