🫀 CPT Code of the Day – Cardiovascular System (30,000 Series) 🫀 🔢 35820 — Exploration for postoperative hemorrhage, thrombosis or infection; chest This code is reported when a surgeon performs a re-exploration of a previous surgical site in the neck to evaluate or treat postoperative bleeding, clot formation, or infection. ✅ Key documentation must include: • Specific postoperative complication (e.g., hematoma, thrombosis) • Neck location and surgical access • Findings and any treatment render