Rheumatoid nodule, left wrist

This code signifies the presence of a rheumatoid nodule affecting the left wrist. Rheumatoid nodules are firm, non-tender subcutaneous lumps, a characteristic extra-articular manifestation of rheumatoid arthritis, typically found over pressure points.

Utilize this code when documentation explicitly identifies a rheumatoid nodule located on the patient's left wrist. Supporting documentation should include a physician's diagnosis of a rheumatoid nodule and its specific anatomical location.

• Always confirm the specific joint involved and the laterality (left, right, or bilateral) from the clinical documentation.
• Do not confuse with other types of wrist nodules, such as ganglion cysts or gouty tophi, which have distinct ICD-10-CM codes.
• This code should be sequenced after the primary diagnosis of rheumatoid arthritis (e.g., M05.xx or M06.xx without a fourth character).