Does K80.65 require prior authorization?

No, K80.65 does not require prior authorization (high confidence). Covered without prior authorization.

`K80.65`, Calculus of gallbladder and bile duct with chronic cholecystitis with obstruction

ICD-10-CM

No Prior Auth Required

Covered without prior authorization (high confidence)

Medical records must document that the ultrasound was limited to retroperitoneal structures when billing CPT 76770/76775/76776, including images/findings demonstrating limitation to the retroperitoneum.
If the exam was expanded to include organs outside the retroperitoneum, documentation must reflect the expansion and support billing a full or limited abdominal ultrasound (CPT 76700/76705/76706).
Claims and documentation should follow the complementary Local Coverage Determination L34577 and any applicable LCD requirements.

Retroperitoneal ultrasound (CPT 76770, 76775, 76776) is covered when the exam is limited solely to retroperitoneal structures.
A full (complete) or limited abdominal ultrasound (CPT 76700, 76705, 76706) is covered when the exam includes organs or structures outside the retroperitoneum or when primary findings involve non-retroperitoneal structures (e.g., gallbladder, liver, spleen, common bile duct).
Upper gastrointestinal endoscopy (diagnostic or therapeutic) is covered when determined reasonable and necessary per Local Coverage Determination L35350.
Vitamin D assay testing is payable under Medicare Part B when performed in an office (POS 11), independent clinic (POS 49), Federally Qualified Health Center (POS 50), or independent laboratory (POS 81).
Non-physician practitioners (e.g., nurse practitioners, clinical nurse specialists, physician assistants) may certify, order, and establish the plan of care for Vitamin D assay testing as authorized by State law (outpatient settings other than CORFs).
Measurement of 25OHD is indicated for patients with psoriasis.

A57484, Billing and Coding: Vitamin D Assay Testing

WPS-J5-L34658, Vitamin D Assay Testing

WPS-J8-L34658, Vitamin D Assay Testing

NOVITAS-JH-L35350, Upper Gastrointestinal Endoscopy (Diagnostic and Therapeutic)

NOVITAS-JL-L35350, Upper Gastrointestinal Endoscopy (Diagnostic and Therapeutic)

A57414, Billing and Coding: Upper Gastrointestinal Endoscopy (Diagnostic and Therapeutic)

A56421, Billing and Coding: CT of the Abdomen and Pelvis

A55336, Billing and Coding: Retroperitoneal Ultrasound

A56389, Billing and Coding: Upper Gastrointestinal Endoscopy and Visualization