M26.5 – Dentofacial functional abnormalities
ICD-10-CM 2027 diagnosis code · Dentofacial anomalies [including malocclusion] and other disorders of jaw
- Code
M26.5(claims format:M265)- Description
- Dentofacial functional abnormalities
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
- Block
- M26-M27 Dentofacial anomalies [including malocclusion] and other disorders of jaw
- Parent codes
- M26
Billable codes under M26.5
M26.5 is a header code and cannot be used on claims. Choose the most specific code:
- M26.50 – Dentofacial functional abnormalities, unspecifiedBillable
- M26.51 – Abnormal jaw closureBillable
- M26.52 – Limited mandibular range of motionBillable
- M26.53 – Deviation in opening and closing of the mandibleBillable
- M26.54 – Insufficient anterior guidanceBillable
- M26.55 – Centric occlusion maximum intercuspation discrepancyBillable
- M26.56 – Non-working side interferenceBillable
- M26.57 – Lack of posterior occlusal supportBillable
- M26.59 – Other dentofacial functional abnormalitiesBillable
Notes for M26.5
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block M26-M27
Related codes in M26
- M26.0 – Major anomalies of jaw sizeHeader
- M26.1 – Anomalies of jaw-cranial base relationshipHeader
- M26.2 – Anomalies of dental arch relationshipHeader
- M26.3 – Anomalies of tooth position of fully erupted tooth or teethHeader
- M26.4 – Malocclusion, unspecifiedBillable
- M26.6 – Temporomandibular joint disordersHeader
- M26.7 – Dental alveolar anomaliesHeader
- M26.8 – Other dentofacial anomaliesHeader
- M26.9 – Dentofacial anomaly, unspecifiedBillable
Frequently asked questions
What is ICD-10 code M26.5?
M26.5 is the ICD-10-CM code for dentofacial functional abnormalities, in the block M26-M27 (Dentofacial anomalies [including malocclusion] and other disorders of jaw).
Is M26.5 a billable code?
No. M26.5 is a header code with more specific child codes; report one of the billable codes listed above.
What category does M26.5 belong to?
It belongs to category M26 – Dentofacial anomalies [including malocclusion].
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.