ICD Code M06.00

ICD code M06.00 is rheumatoid arthritis without rheumatoid factor, affecting an unspecified site.

1. Presence of chronic inflammatory arthritis characterized by joint pain, swelling, and stiffness lasting at least six weeks

2. Absence of detectable rheumatoid factor in laboratory testing

3. Symmetrical involvement of multiple joints, commonly affecting small joints of the hands and feet

4. Morning stiffness lasting more than 30 minutes

5. Radiographic evidence of joint erosion or periarticular osteopenia

6. Exclusion of other causes of inflammatory arthritis (e.g., lupus, psoriatic arthritis)

7. No specific joint site identified or documented in the medical record

Relevant CPT codes that may be used to treat ICD code M06.00 include:

- 99202–99215 (Evaluation and Management services)

- 20610 (Arthrocentesis, aspiration and/or injection; major joint or bursa)

- 96372 (Therapeutic, prophylactic, or diagnostic injection)

- 96401–96402 (Chemotherapy administration, subcutaneous or intramuscular)

- 96409–96411 (Chemotherapy administration, intravenous, push technique)

- 96413 (Chemotherapy administration, intravenous infusion technique)

- 76942 (Ultrasound guidance for needle placement)

- 77002 (Fluoroscopic guidance for needle placement)

- J0129 (Injection, abatacept)

- J1602 (Injection, golimumab)

- J1745 (Injection, infliximab)

- J3262 (Injection, tocilizumab)

- J3357 (Injection, ustekinumab)

- J3380 (Injection, vedolizumab)

CPT code selection should be based on the specific treatment and procedures performed for M06.00.

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