Test Code LAB177 Albumin, Body Fluid (FALB)
Additional Codes
CPT Code: 84042
Methodology
This test is also included in Peritoneal Fluid Analysis (PERTFA)
Performing Laboratory
TidalHealth Peninsula Regional - Chemistry
Specimen Requirements
Sterile specimen must be analyzed within 2 hours of collection.
Acceptable Specimens: Ascites and peritoneal fluid.
Submit 2 mL of body fluid in a grey-top (potassium oxalate/sodium fluoride) tube or screw cap sterile container. Body fluid specimens in sodium heparin or plain red tubes are acceptable for FALB determinations. Do not use tubes containing EDTA for albumin testing.
Note: Indicate specimen source: ascites or peritoneal.
Reference Values
0.2 - 18 g/dL
A serum-effusion albumin gradient (serum albumin minus serous body fluid albumin) of > 1.1 g/dL suggests the fluid is a transudate.