AutoICD API

M26

Non-billable

Dentofacial anomalies [including malocclusion]

Dentofacial anomalies [including malocclusion]

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

M26-M27

Child Codes

10

Coding Notes

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • hemifacial atrophy or hypertrophy (Q67.4)
  • unilateral condylar hyperplasia or hypoplasia (M27.8)

Excludes 2

Conditions not included here, but the patient may have both

  • 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)

Child Codes (10)

M26.0

Major anomalies of jaw size

M26.1

Anomalies of jaw-cranial base relationship

M26.2

Anomalies of dental arch relationship

M26.3

Anomalies of tooth position of fully erupted tooth or teeth

M26.4

Malocclusion, unspecified

BillableM26.5

Dentofacial functional abnormalities

M26.6

Temporomandibular joint disorders

M26.7

Dental alveolar anomalies

M26.8

Other dentofacial anomalies

M26.9

Dentofacial anomaly, unspecified

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code M26?

ICD-10-CM code M26 represents "Dentofacial anomalies [including malocclusion]". It is a non-billable header code — use a more specific child code for billing purposes.

Is M26 a billable code?

No, M26 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 10 child codes under M26.

What chapter is M26 in?

M26 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).

What codes cannot be used with M26?

M26 has Excludes1 notes indicating codes that cannot be used together with it, including: hemifacial atrophy or hypertrophy (Q67.4); unilateral condylar hyperplasia or hypoplasia (M27.8).

What are the subcategories under M26?

M26 has 10 child codes, including: M26.0 (Major anomalies of jaw size), M26.1 (Anomalies of jaw-cranial base relationship), M26.2 (Anomalies of dental arch relationship), M26.3 (Anomalies of tooth position of fully erupted tooth or teeth), and 6 more.

What are the UMLS CUIs for M26?

M26 is linked to 1 UMLS Concept Unique Identifier: C0155938. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.