ARUP's Laboratory Test Directory

Hemoglobin, Unstable : 0049020

Mnemonic: HGB UNSTAB

Methodology: Visual Identification
Performed: Mon-Fri
Reported: 1-2 days
Specimen Required: Patient Prep: Test results are unreliable in infants younger than 6 months of age.

Collect: Lavender (EDTA) or pink (K2EDTA).

Specimen Preparation: DO NOT FREEZE. Transport 5 mL whole blood. (Min: 2 mL)

Storage/Transport Temperature: Refrigerated.

Unacceptable Conditions: Samples more than 7 days old. Specimens collected on infants less than 6 months old.

Stability (collection to initiation of testing): Ambient: Unacceptable; Refrigerated 7 days; Frozen: Unacceptable
Reference Interval:
Negative
CPT Code(s): 83068
Cross References: Unstable Hemoglobin (Hemoglobin, Unstable)