M26.12
BillableOther jaw asymmetry
Other jaw asymmetry
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
Related Codes(3)
Also Known As / Clinical Terms(25)
SNOMED CT
- Congenital asymmetry of jaw90693008
- Congenital asymmetry of mandible109513007
- Congenital mandibular asymmetry109513007
- Asymmetry of jaw196393007
- Asymmetry of mandible235082006
- Asymmetry of inferior border of mandible698054007
- Elongated left ramus of mandible735105001
- Elongation of left ramus of mandible735105001
- Ramus of mandible longer on left side735105001
- Elongated right ramus of mandible735107009
- Elongation of right ramus of mandible735107009
- Ramus of mandible longer on right side735107009
Clinical Terms
- Congenital asymmetry of mandible
- Asymmetry of inferior border of mandible
- Elongation of left ramus of mandible
- Congenital mandibular asymmetry
- Elongated right ramus of mandible
- Elongated left ramus of mandible
- Ramus of mandible longer on left side
- Ramus of mandible longer on right side
- Elongation of right ramus of mandible
- Asymmetry of mandible
- Asymmetry of jaw
- Congenital asymmetry of jaw
Frequently Asked Questions
What is the ICD-10 code for other jaw asymmetry?
The ICD-10-CM code for other jaw asymmetry is M26.12. The full clinical description is "Other jaw asymmetry". M26.12 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code M26.12 mean?
ICD-10-CM code M26.12 represents “Other jaw asymmetry”. It is classified under Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue and is a billable/specific code that can be used on a claim.
Is M26.12 a billable code?
Yes, M26.12 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is M26.12 in?
M26.12 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M26.12?
M26.12 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 SNOMED CT codes does M26.12 map to?
M26.12 maps to 7 SNOMED CT concepts: 698054007, 196393007, 235082006, 90693008, 109513007, and 2 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for M26.12?
M26.12 is linked to 1 UMLS Concept Unique Identifier: C0375343. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does M26.12 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other jaw asymmetry 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 M26.12?
There is no direct ICD-11 mapping available for M26.12 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.