M34 — Systemic sclerosis [scleroderma]
Is M34 billable?
No — M34 is a non-billable header code. M34 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 8 billable codes beneath M34.
Billable codes under this header
- M34.0Progressive systemic sclerosis
- M34.1CR(E)ST syndrome
- M34.2Systemic sclerosis induced by drug and chemical
- M34.9Systemic sclerosis, unspecified
- M34.81Systemic sclerosis with lung involvement
- M34.82Systemic sclerosis with myopathy
- M34.83Systemic sclerosis with polyneuropathy
- M34.89Other systemic sclerosis
M34 at a glance
| Code | M34 |
|---|---|
| Description | Systemic sclerosis [scleroderma] |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together
The conditions below can never be reported together with M34 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from M30-M36
The conditions below can never be reported together with M34 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- autoimmune disease, single organ or single cell-type -code to relevant condition category
Excludes2 — not included here — inherited from Chapter 13
The conditions below are not part of M34, but a patient may have both at the same time. When documentation supports it, M34 and the excluded code may both be reported.
- arthropathic psoriasis (L40.5-)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- compartment syndrome (traumatic) (T79.A-)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
What codes fall under M34? (5)
How long has M34 existed?
M34 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
Which codes are confused with M34?
ICD-10-CM declares these codes mutually exclusive with M34 — exactly one of each pair can be correct for a given encounter.