ICD-10 S21
Open wound of thorax
ICD10
S21
Injury, poisoning and certain other consequences of external causes
Description
Open wound of thorax
Documentation Requirements
- Document clinical indications and clear medical necessity supporting the encounter or procedure.
- Ensure complete provider signatures, credentials, date, and specific place of service (POS).
- Verify documentation strictly supports code specificity to prevent downcoding or claim denials.
Billing & Coding Tips
- Verify current payer fee schedules, NCCI edits, and Medically Unlikely Edits (MUEs).
- Append correct modifiers (e.g., 25, 59, 26, TC) where distinct procedural services or components apply.
- Confirm pre-authorization rules with Medicare, Medicaid, and commercial plans before submission.
Related Codes
S21.0 S21.00 S21.001 S21.001A S21.001D S21.001S S21.002 S21.002A S21.002D S21.002S S21.009 S21.009A S21.009D S21.009S S21.01
Quantum Health Services provides full-cycle revenue cycle management and medical billing services nationwide. This code reference is for educational purposes; always verify official payer policies. CPT© descriptors require proper AMA licensing.