Is M05.5 a billable ICD-10-CM code?

No. M05.5 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does M05.5 sit in the tabular list?

Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Inflammatory polyarthropathies (M05-M14).

M05.5

M05.5 — Rheumatoid polyneuropathy with rheumatoid arthritis

Non-billable headerICD-10-CM

M05.5 is a non-billable header ICD-10-CM code for rheumatoid polyneuropathy with rheumatoid arthritis. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with M05.5

These codes carry an Excludes1 note pointing at M05.5. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading M05.5 alone.

G63Polyneuropathy in diseases classified elsewhere

Risk adjustment

M05.5 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 M05.5

9 child codes. Green means billable.

Related codes at this level

Codes that share M05. If M05.5 is not quite right, the correct code is usually one of these.

Questions about M05.5

Is M05.5 a billable ICD-10-CM code?: No. M05.5 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does M05.5 sit in the tabular list?: Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Inflammatory polyarthropathies (M05-M14).