M34.8 – Other forms of systemic sclerosis

ICD-10-CM 2027 diagnosis code · Systemic connective tissue disorders

Non-billable header

ICD-10-CM code M34.8

Code: M34.8 (claims format: M348)
Description: Other forms of systemic sclerosis
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: M30-M36 Systemic connective tissue disorders
Parent codes: M34

Billable codes under M34.8

M34.8 is a header code and cannot be used on claims. Choose the most specific code:

M34.81 – Systemic sclerosis with lung involvementBillable
M34.82 – Systemic sclerosis with myopathyBillable
M34.83 – Systemic sclerosis with polyneuropathyBillable
M34.89 – Other systemic sclerosisBillable

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

M34 – Systemic sclerosis [scleroderma]

Excludes1 (not coded here):

circumscribed scleroderma (L94.0)
neonatal scleroderma (P83.88)

Block M30-M36

Includes:

autoimmune disease NOS
collagen (vascular) disease NOS
systemic autoimmune disease
systemic collagen (vascular) disease

Excludes1 (not coded here):

autoimmune disease, single organ or single cell-type -code to relevant condition category

Related codes in M34

M34.0 – Progressive systemic sclerosisBillable
M34.1 – CR(E)ST syndromeBillable
M34.2 – Systemic sclerosis induced by drug and chemicalBillable
M34.9 – Systemic sclerosis, unspecifiedBillable

Frequently asked questions

What is ICD-10 code M34.8?

M34.8 is the ICD-10-CM code for other forms of systemic sclerosis, in the block M30-M36 (Systemic connective tissue disorders).

Is M34.8 a billable code?

No. M34.8 is a header code with more specific child codes; report one of the billable codes listed above.

What category does M34.8 belong to?

It belongs to category M34 – Systemic sclerosis [scleroderma].

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.