ICD Code L40.52

ICD code L40.52 is a classification for psoriatic arthritis mutilans, a severe form of psoriatic arthritis characterized by significant joint damage and deformity. This condition involves the destruction of bone and soft tissue, leading to a loss of function and severe disfigurement of the affected joints. It is a rare but serious complication of psoriasis, requiring comprehensive management to alleviate symptoms and prevent further joint deterioration.

1. Severe Joint Deformity: Presence of significant joint deformity, often characterized by the telescoping of fingers or toes, leading to a "pencil-in-cup" appearance on radiographic imaging.

2. Bone Resorption: Evidence of bone resorption, particularly in the phalanges, resulting in shortening of the digits.

3. Severe Pain and Swelling: Intense pain and swelling in the affected joints, often accompanied by stiffness and reduced range of motion.

4. Skin and Nail Changes: Co-occurrence of psoriatic skin lesions, such as red, scaly patches, and nail changes like pitting or onycholysis.

5. Erosive Arthritis: Radiological findings indicating erosive arthritis, with joint space narrowing and bone erosion.

6. Functional Impairment: Significant impairment in daily activities due to joint damage and deformity, affecting the patient's quality of life.

7. Family History: A family history of psoriasis or psoriatic arthritis, which may increase the likelihood of this condition.

8. Negative Rheumatoid Factor: Typically, a negative rheumatoid factor test, distinguishing it from rheumatoid arthritis.

9. Dactylitis: Presence of dactylitis, or "sausage digits," where entire fingers or toes are swollen.

10. Enthesitis: Inflammation at the sites where tendons or ligaments insert into the bone, often observed in the Achilles tendon or plantar fascia.

For the ICD code L40.52, which is associated with psoriatic arthritis mutilans, the relevant CPT codes that may be applicable for treatment include:

1. 99201-99215: Evaluation and Management (E/M) codes for office or other outpatient visits, depending on the complexity and time spent with the patient.

2. 20610: Arthrocentesis, aspiration, and/or injection into a major joint or bursa (e.g., knee, hip, shoulder) for therapeutic purposes.

3. 96372: Therapeutic, prophylactic, or diagnostic injection (specify substance or drug); subcutaneous or intramuscular.

4. J1745: Injection, infliximab, 10 mg (used for biologic therapy).

5. J1602: Injection, golimumab, 1 mg (used for biologic therapy).

6. J0129: Injection, abatacept, 10 mg (used for biologic therapy).

7. J0135: Injection, adalimumab, 20 mg (used for biologic therapy).

8. J1438: Injection, etanercept, 25 mg (used for biologic therapy).

9. J3262: Injection, tocilizumab, 1 mg (used for biologic therapy).

10. J9312: Injection, rituximab, 10 mg (used for biologic therapy).

These CPT codes are examples of procedures and treatments that may be relevant for managing the condition associated with ICD code L40.52. It's important for healthcare providers to select the appropriate CPT codes based on the specific services rendered and the patient's treatment plan.

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