Cleveland Heartlab F, Metabolic, Test

CPT Code: 82985
Order Code: C164
ABN Requirement:  No
Synonyms: Glycated Serum Protein; GSP; Glycated Albumin; Protein Bound Glucose
Specimen: Serum
Volume: 1.0 mL
Minimum Volume: 0.2 mL
Container: Gel-barrier tube (SST, Tiger Top)


  1. Collect and label sample according to standard protocols.
  2. Gently invert tube 5 times immediately after draw. DO NOT SHAKE.
  3. Allow blood to clot 30 minutes.
  4. Centrifuge for 10 minutes.

Patient Preparation: Patient should abstain from ascorbic acid supplements for a minimum of 24 hours prior to sample collection.

Transport: Store serum at 2°C to 8°C after collection and ship the same day per packaging instructions provided with the Cleveland HeartLab shipping box.


Ambient (15-25°C): 72 hours
Refrigerated (2-8°C): 14 days
Frozen (-20°C): 2 months
Deep Frozen (-70°C): 2 months

Causes for Rejection: Specimens other than serum; improper labeling; samples not stored properly; samples older than stability limits

Methodology: Colorimetry

Turn Around Time: 4 to 5 days

Reference Range:

Age μmol/L
All Ages 205-285

Use: Fructosamine may be used to monitor average glucose levels in individuals with diabetes over a two-week time period. It measures the glycosylation of circulating serum albumin.

Limitations: Under therapeutic concentrations, Levodopa may produce elevated values.

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.