M06.331 — Rheumatoid nodule, right wrist
Is M06.331 billable?
Yes — M06.331 is billable for FY2027. M06.331 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. M06.331 may be submitted for encounters from October 1, 2026 through September 30, 2027.
M06.331 at a glance
| Code | M06.331 |
|---|---|
| Description | Rheumatoid nodule, right wrist |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does M06.331 group to?
M06.331 sits in MDC 08 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 545Connective Tissue Disorders with MCCmedical
- 546Connective Tissue Disorders with CCmedical
- 547Connective Tissue Disorders without CC/MCCmedical
How is M06.331 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under M06.33, the nearest indexed parent of M06.331. Use them to find the family, then select the specific code.
- Nodule, nodular › rheumatoid › wrist (s)
Excludes2 — not included here — inherited from Chapter 13
The conditions below are not part of M06.331, but a patient may have both at the same time. When documentation supports it, M06.331 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)
How long has M06.331 existed?
M06.331 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.