CPT 47999 Unlisted procedure, biliary tract
Last reviewed: May 17, 2026
RVU Values (CMS PFS RVU26C July 2026)
Common Modifiers
None typically required
Related ICD-10 Codes
C24.0, C22.1
Billing Tips
When billing CPT 47999, ensure your operative note clearly documents the procedure performed, clinical indication, and any complications or additional work that would support modifier usage. Always verify the code against the current AMA CPT Professional Edition before claim submission.
For multi-procedure cases, use our Case Builder to automatically calculate adjusted wRVUs with proper MPPR ranking.
Documentation and Coding Notes
AdSense readiness coding note: CPT 47999 should be treated as an educational starting point, not a final billing instruction. For unlisted procedure, biliary tract, the operative note or procedure note should clearly support the approach, anatomic site, laterality when relevant, clinical indication, and any separately reportable services.
Before submitting a claim or logging the case, compare CPT 47999 with adjacent codes in the same family, confirm current AMA CPT language, check CMS/NCCI edits, and verify payer-specific bundling rules. Modifier use should be tied to documentation rather than added only to bypass an edit.
Common audit checks for hpb surgery cases include whether the documented work matches the code descriptor, whether add-on services are separately supported, whether a global period applies, and whether ICD-10 diagnosis pairing supports medical necessity.
Related CPT Codes in HPB Surgery
CPT 48150 — Pancreatectomy, proximal subtotal with total duodenectomy, p CPT 48153 — Pancreatectomy, proximal subtotal with near-total duodenecto CPT 48140 — Pancreatectomy, distal subtotal CPT 48999 — Unlisted procedure, pancreas CPT 47100 — Biopsy of liver, wedge CPT 47120 — Hepatectomy, resection of liver; partial lobectomyUse our free interactive decision tree with 500+ codes across 30 specialties
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