M26.0
ICD-10Non-billable categoryMajor anomalies of jaw size
Official ICD-10-CM descriptor (FY2026)
Major anomalies of jaw size
M26.0 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- acromegaly (E22.0)
- Robin's syndrome (Q87.0)
ICD-10-CM FY2026 defines 9 codes beneath M26.0. See the ICD-10-CM index for what this site publishes.
Related codes in M26
- M26.1Anomalies of jaw-cranial base relationshipcategory
- M26.2Anomalies of dental arch relationshipcategory
- M26.3Anomalies of tooth position of fully erupted tooth or teethcategory
- M26.4Malocclusion, unspecified
- M26.5Dentofacial functional abnormalitiescategory
- M26.6Temporomandibular joint disorderscategory
- M26.7Dental alveolar anomaliescategory
- M26.8Other dentofacial anomaliescategory
- M26.9Dentofacial anomaly, unspecified
Where this code sits
- Parent code
- M26
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.