M26.5
Non-billableDentofacial functional abnormalities
Dentofacial functional abnormalities
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 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 (9)
M26.50Dentofacial functional abnormalities, unspecified
M26.51Abnormal jaw closure
M26.52Limited mandibular range of motion
M26.53Deviation in opening and closing of the mandible
M26.54Insufficient anterior guidance
M26.55Centric occlusion maximum intercuspation discrepancy
M26.56Non-working side interference
M26.57Lack of posterior occlusal support
M26.59Other dentofacial functional abnormalities
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code M26.5?
ICD-10-CM code M26.5 represents "Dentofacial functional abnormalities". It is a non-billable header code — use a more specific child code for billing purposes.
Is M26.5 a billable code?
No, M26.5 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 9 child codes under M26.5.
What chapter is M26.5 in?
M26.5 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M26.5?
M26.5 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); bruxism (F45.8); and 1 more.
What are the subcategories under M26.5?
M26.5 has 9 child codes, including: M26.50 (Dentofacial functional abnormalities, unspecified), M26.51 (Abnormal jaw closure), M26.52 (Limited mandibular range of motion), M26.53 (Deviation in opening and closing of the mandible), and 5 more.
What are the UMLS CUIs for M26.5?
M26.5 is linked to 1 UMLS Concept Unique Identifier: C0266932. 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.