K77, Liver disorders in diseases classified elsewhere
ICD-10-CM
Prior Authorization
No Prior Auth Required
Code is covered without prior authorization (high confidence)
Documentation Required
- This billing and coding article provides guidelines that complement Local Coverage Determination L34415 for CT of the abdomen and pelvis; consult LCD L34415 for specific coverage indications, limitations, and documentation requirements.
- - von Willebrand factor antigen (VWF:Ag), VWF activity measures (RCoF, collagen binding), VWF multimer analysis where available
- - VWF pro-peptide (VWFpp) in some studies
- - Routine TMA/TTP-related laboratory data: platelet count, LDH, haptoglobin, peripheral smear (schistocytes), creatinine/renal function, coagulation studies
Key Coverage Criteria
- Covered diagnoses (ICD-10) if selection criteria are met: M31.19 Other thrombotic microangiopathy.
- Covered diagnoses (ICD-10) if selection criteria are met: M31.10 Thrombotic microangiopathy, unspecified.
- Monitoring renal function following kidney transplantation (ADAMTS13 association with creatinine/GFR) (investigational)
- Assessment of ADAMTS13 and VWF in acute cholangitis severity (investigational)
- Evaluation/recognition of TMA after acute pancreatitis (including TPE decision support in reported cases) (investigational)
- Research/associations of ADAMTS13 (genetic mutations or expression) in melanoma and other cancers (investigational)
4 Active Policies
AETNA-CPB-0384, Magnetic Resonance Cholangiopancreatography
AETNA-CPB-0690, Noninvasive Tests for Hepatic Fibrosis
AETNA-CPB-0780, ADAMTS13 Assay for Thrombotic Thrombocytopenic Purpura (TTP)
A56421, Billing and Coding: CT of the Abdomen and Pelvis
Related Codes
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