M06.3 – Rheumatoid nodule

ICD-10-CM 2027 diagnosis code · Inflammatory polyarthropathies

Non-billable header

ICD-10-CM code M06.3

Code: M06.3 (claims format: M063)
Description: Rheumatoid nodule
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: M05-M14 Inflammatory polyarthropathies
Parent codes: M06

Billable codes under M06.3

M06.3 is a header code and cannot be used on claims. Choose the most specific code:

M06.30 – Rheumatoid nodule, unspecified siteBillable
M06.31 – Rheumatoid nodule, shoulderHeader (more codes below)
M06.32 – Rheumatoid nodule, elbowHeader (more codes below)
M06.33 – Rheumatoid nodule, wristHeader (more codes below)
M06.34 – Rheumatoid nodule, handHeader (more codes below)
M06.35 – Rheumatoid nodule, hipHeader (more codes below)
M06.36 – Rheumatoid nodule, kneeHeader (more codes below)
M06.37 – Rheumatoid nodule, ankle and footHeader (more codes below)
M06.38 – Rheumatoid nodule, vertebraeBillable
M06.39 – Rheumatoid nodule, multiple sitesBillable

Related codes in M06

M06.0 – Rheumatoid arthritis without rheumatoid factorHeader
M06.1 – Adult-onset Still's diseaseBillable
M06.2 – Rheumatoid bursitisHeader
M06.4 – Inflammatory polyarthropathyBillable
M06.8 – Other specified rheumatoid arthritisHeader
M06.9 – Rheumatoid arthritis, unspecifiedBillable

Frequently asked questions

What is ICD-10 code M06.3?

M06.3 is the ICD-10-CM code for rheumatoid nodule, in the block M05-M14 (Inflammatory polyarthropathies).

Is M06.3 a billable code?

No. M06.3 is a header code with more specific child codes; report one of the billable codes listed above.

What category does M06.3 belong to?

It belongs to category M06 – Other rheumatoid arthritis.

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.