Is M26.6 a billable ICD-10-CM code?

No. M26.6 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does M26.6 sit in the tabular list?

Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Dentofacial anomalies [including malocclusion] and other disorders of jaw (M26-M27).

M26.6

M26.6 — Temporomandibular joint disorders

Non-billable headerICD-10-CM

M26.6 is a non-billable header ICD-10-CM code for temporomandibular joint disorders. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes2 — not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

current temporomandibular joint dislocation (S03.0)
current temporomandibular joint sprain (S03.4)

Other codes that can never be billed with M26.6

These codes carry an Excludes1 note pointing at M26.6. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading M26.6 alone.

R68.84Jaw pain

Risk adjustment

M26.6 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead M26.6

7 child codes. Green means billable.

Related codes at this level

Codes that share M26. If M26.6 is not quite right, the correct code is usually one of these.

Questions about M26.6

Is M26.6 a billable ICD-10-CM code?: No. M26.6 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does M26.6 sit in the tabular list?: Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Dentofacial anomalies [including malocclusion] and other disorders of jaw (M26-M27).