M26.1
Non-billableAnomalies of jaw-cranial base relationship
Anomalies of jaw-cranial base relationship
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •arthropathic psoriasisL40.5
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •compartment syndrome (traumatic)A-)T79
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
Child Codes (4)
Related Codes(9)
M26.0Major anomalies of jaw size
M26.2Anomalies of dental arch relationship
M26.3Anomalies of tooth position of fully erupted tooth or teeth
M26.4Malocclusion, unspecified
M26.5Dentofacial functional abnormalities
M26.6Temporomandibular joint disorders
M26.7Dental alveolar anomalies
M26.8Other dentofacial anomalies
M26.9Dentofacial anomaly, unspecified
Also Known As / Clinical Terms(2)
Frequently Asked Questions
What is the ICD-10 code for anomalies of jaw-cranial base relationship?
The ICD-10-CM code for anomalies of jaw-cranial base relationship is M26.1. The full clinical description is "Anomalies of jaw-cranial base relationship". M26.1 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code M26.1 mean?
ICD-10-CM code M26.1 represents “Anomalies of jaw-cranial base relationship”. It is classified under Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue and is a non-billable header code. Use a more specific child code for billing purposes.
Is M26.1 a billable code?
No, M26.1 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under M26.1.
What chapter is M26.1 in?
M26.1 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M26.1?
M26.1 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 M26.1?
M26.1 has 4 child codes, including: 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).
What are the UMLS CUIs for M26.1?
M26.1 is linked to 1 UMLS Concept Unique Identifier: C0003110. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does M26.1 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like anomalies of jaw-cranial base relationship affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of M26.1?
There is no direct ICD-11 mapping available for M26.1 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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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.