Albumin Lvl (ABL)

Department: Chemistry
Test Synonym(s): LAB45, ABL, Albumin, Blood, Albumin Level
CPT Codes: 82040
Methodology: Colorimetric: Bromocresol Green
Reference Range: CALIPER 0 to 14 days: 3.3-4.5 g/dL; 15 days to <1 yr: 2.8-4.7 g/dL; 1 yr to <8yrs: 3.8-4.7 g/dL; 8 to <15 yrs: 4.1-4.8 g/dL; 15 yrs to <19 yrs: 4-5.1 g/dL; Abbott 19 yrs to <60 yrs: 3.5-5.2 g/dL; 60 yrs- <90 yrs: 3.2-4.6 g/dL; 90 yrs to 150yrs: 2.9-4.5 g/dL (Pediatric Reference Ranges only verified for serum, see CALIPER Study in Colantonio DA, et.al Clin Chem 2012;58(5):854-868.)
Tube Type: Light green top PST ( Lithium Heparin with gel) tube
Specimen: Plasma
Alternate Specimen: Red top (no gel)
Pediatric Requirements: 1 light green top microtainer
Volume: 1 mL plasma
Minimum Volume: 1 light green top
Temperature: Separate within 1 hour and store/ship @ ambient temperature until delivery.
Stability: Room temperature: 2.5 months; Refrigerated: 5 days; Frozen: 3 months
Reasons for Rejection: Hemolysis, improper collection
Days Performed: Daily
Times Performed: Continuous
TAT: STAT: 1 hour, ROUTINE: 2 hours after receiving in lab

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