CPT® Code 82240

1. Indications

The bile acids test measuring cholylglycine is indicated for various clinical scenarios, particularly when assessing liver function and diagnosing potential hepatic disorders. The following conditions may warrant this laboratory test:

• Cholestasis Elevated levels of cholylglycine can indicate cholestasis, a condition where bile flow is obstructed, leading to the accumulation of bile acids in the liver and bloodstream.
• Hepatic Disease The test is useful in identifying and monitoring liver diseases, as abnormal cholylglycine levels may reflect underlying hepatic dysfunction or damage.

2. Procedure

The procedure for measuring cholylglycine levels involves several key steps to ensure accurate results. The following outlines the procedural steps:

• Step 1: Sample Collection A blood sample is collected from the patient, typically through venipuncture. This sample is essential for the subsequent analysis of bile acid levels.
• Step 2: Sample Preparation The collected blood sample is processed in the laboratory. This may involve centrifugation to separate the serum from the cellular components of the blood, ensuring that the analysis is performed on the appropriate specimen.
• Step 3: Analytical Testing The prepared serum sample is subjected to specific biochemical assays designed to quantify the concentration of cholylglycine. These assays may utilize techniques such as chromatography or mass spectrometry to achieve precise measurements.
• Step 4: Result Interpretation Once the analysis is complete, the results are interpreted by qualified laboratory personnel. Elevated levels of cholylglycine are noted and may prompt further clinical evaluation or intervention based on the patient's overall health status and symptoms.

3. Post-Procedure

After the procedure, there are generally no specific post-procedure care requirements for the patient, as the blood draw is minimally invasive. Patients may resume normal activities immediately following the sample collection. However, it is essential for healthcare providers to communicate the importance of follow-up appointments to discuss the test results and any necessary further evaluations or treatments based on the findings. Monitoring of liver function may be recommended depending on the results of the cholylglycine test and the clinical context.