ICD‑9‑CM 51.24: Postoperative Cholecystectomy Status Code

ICD‑9‑CM 51.24 = Cholecystectomy, postoperative (status code indicating prior gallbladder removal).

Used in historical data (pre‑Oct‑2015) to flag patients without a gallbladder. In ICD‑10‑CM, use Z90.49 (Acquired absence of other digestive organ) or K80‑K82 for residual biliary conditions.

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