M26.5 - Dentofacial functional abnormalities

The ICD 10 Code for Dentofacial functional abnormalities is listed as M26.5.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field	Value
Diagnosis Code:	M26.5
Description:	Dentofacial functional abnormalities Excludes1: bruxism (F45.8) teeth-grinding NOS (F45.8)

Chapter	Diseases of the musculoskeletal system and connective tissue (M00-M99)
Block	Dentofacial anomalies [including malocclusion] and other disorders of jaw (M26-M27)
Parent	M26 - Dentofacial anomalies [including malocclusion]
ICD-10-CM Children (deeper level / typically more specific) of M26.5:
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
M26.54 - Insufficient anterior guidance
M26.55 - Centric occlusion maximum intercuspation discrepancy
M26.56 - Non-working side interference
M26.57 - Lack of posterior occlusal support
M26.59 - Other dentofacial functional abnormalities
ICD-10-CM Siblings (same level / similar specificity) of M26.5:
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
M26.6 - Temporomandibular joint disorders
M26.7 - Dental alveolar anomalies
M26.8 - Other dentofacial anomalies
M26.9 - Dentofacial anomaly, unspecified