MCMCB Pro
M34.8

M34.8Other forms of systemic sclerosis

Non-billable headerICD-10-CM

M34.8 is a non-billable header ICD-10-CM code for other forms of systemic sclerosis. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with M34.8

These codes carry an Excludes1 note pointing at M34.8. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading M34.8 alone.

  • G63Polyneuropathy in diseases classified elsewhere
  • G73.7Myopathy in diseases classified elsewhere
  • J99Respiratory disorders in diseases classified elsewhere

Risk adjustment

M34.8 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 M34.8

4 child codes. Green means billable.

Related codes at this level

Codes that share M34. If M34.8 is not quite right, the correct code is usually one of these.

Questions about M34.8

Is M34.8 a billable ICD-10-CM code?
No. M34.8 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does M34.8 sit in the tabular list?
Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Systemic connective tissue disorders (M30-M36).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.