Medical Coding for Scalp Laceration with Concussion: Step-by-Step Example

Case: 4-inch deep scalp laceration (left side above ear) with dizziness/lightheadedness.

Coding Steps

  1. Primary diagnosis: Scalp laceration → ICD-10-CM S01.001A (laceration without foreign body, left scalp, initial encounter).
  2. Secondary diagnoses:
    • Concussion → S06.0X0A (concussion without LOC, initial)
    • Dizziness/lightheadedness → R42
  3. Procedure: Laceration repair, layered closure, 2.6–7.5 cm → CPT 12011 (simple repair, scalp/neck/axillae/genitalia/trunk).
  4. Claim submission: Include demographics, diagnoses, procedure, modifiers if needed.
  5. Payer review & payment.

Accurate coding ensures proper reimbursement and clinical documentation.

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