Does P59.1 require prior authorization?

No, P59.1 does not require prior authorization (high confidence). Code is covered without prior authorization.

`P59.1`, Inspissated bile syndrome

ICD-10-CM

No Prior Auth Required

Code is covered without prior authorization (high confidence)

Documented clinical indication for MRCP (e.g., symptoms such as obstructive jaundice, cholangitis, biliary-type abdominal pain, pancreatitis).
Pre-test probability and relevant clinical context (e.g., suspected choledocholithiasis, cholestatic liver enzyme pattern, prior imaging findings).
Results of prior imaging studies (trans-abdominal ultrasound, CT showing bile duct dilation or suspected stones) to justify MRCP as next diagnostic test.
Documentation of prior unsuccessful or incomplete ERCP or contraindication to ERCP (when MRCP is being used as an alternative or follow-up study).

Adjunctive imaging in suspected autoimmune pancreatitis (AIP) to evaluate main pancreatic duct narrowing, MPD integrity (secretin-MRCP may demonstrate duct-penetrating sign), and parenchymal features (but MRCP cannot fully replace ERCP in AIP diagnostic workup).
Imaging of biliary tree to help plan directed interventions (endoscopic or transhepatic) in complex biliary disease where MRCP may increase likelihood of success and decrease risk.
Preoperative evaluation of the common bile duct prior to laparoscopic cholecystectomy in persons with elevations of their transaminases or common bile duct dilatation on abdominal imaging (ultrasound or CT scan).
Non-invasive imaging to demonstrate biliary calculi and pancreatic ductal disease (general role of MRCP in biliary/pancreatic evaluation).
Diagnosis of choledocholithiasis/common bile duct (CBD) stones in patients suspected of having CBD stones (used as a first-line or noninvasive diagnostic test in appropriate clinical settings).
As an alternative to diagnostic ERCP when therapeutic intervention is not anticipated and a noninvasive study is preferred to avoid ERCP complications.

AETNA-CPB-0384, Magnetic Resonance Cholangiopancreatography

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