ICD Code R22.42

ICD code R22.42 is localized swelling, mass, and lump in the left lower limb.

1. Presence of a localized swelling, mass, or lump specifically on the left lower limb

2. Swelling, mass, or lump is not generalized but confined to a specific area

3. No evidence of systemic causes for the swelling (e.g., generalized edema)

4. Absence of acute traumatic injury as the primary cause

5. Physical examination confirms the finding on the left lower limb

6. Symptoms may include visible or palpable lump, localized pain or tenderness, or changes in skin contour

7. No definitive diagnosis established for the underlying cause at the time of coding

Relevant CPT codes that may be used to treat ICD code R22.42 include:

- 20610: Arthrocentesis, aspiration and/or injection; major joint or bursa (e.g., knee, shoulder, hip)

- 27301: Incision and drainage, deep abscess, bursa, or hematoma, thigh or knee region

- 27603: Incision and drainage, leg or ankle; deep abscess or hematoma

- 76882: Ultrasound, limited, non-vascular, extremity

- 99212–99215: Office or other outpatient visit for the evaluation and management of an established patient

These CPT codes are commonly associated with the evaluation and management of R22.42.

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