Test Directory

Test Code
FRUC
Test Name
Fructosamine
CPT Codes
82985
Expected Turnaround Time
1 day
Clinical Utility

Evaluate diabetic control, reflecting diabetic control over a shorter time period (one to three weeks) than that represented by hemoglobin A1c (four to eight weeks). Indicated as an index of longer-term control than glucose levels, especially in diabetic subjects with abnormal hemoglobins and in type 1 diabetes in children.

Specimen and Container Info

Preferred Specimen Type: Serum

Alternate Specimen Type: Plasma

Preferred Collection Container: Gold Top, Serum Separator

Alternate Collection Container: Lavender Top (EDTA) or Green Top (Lithium Heparin)

Desired Specimen Volume: 1 mL

Collection Instructions
  1. Collect a gold top, serum separator tube via venipuncture.
Processing and Submission Instructions
  1. Separate serum from cells within 45 minutes of collection.
  2. Transfer 1 mL of serum to a clear aliquot tube (screw cap).
Transport Instructions

Transport to the laboratory refrigerated. 

Stability Requirements

Room Temperature

7 days

Refrigerated

14 days

Frozen

14 days

Freeze/Thaw Cycles

 Stable x2

Causes for Rejection
  • Gross hemolysis
  • Gross lipemia
Methodology
Colormetric
Reference Intervals

See patient report.

Reference Lab
Labcorp Of America Holdings
Testing Schedule
Routine, daily