Hemoglobin, Unstable : ARUP Lab Tests

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Hemoglobin, Unstable : 0049020

Mnemonic: HGB UNSTAB

Methodology:	Visual Identification of Hemoglobin Precipitates
Performed:	Mon-Fri
Reported:	1-2 days
Specimen Required:	Collect: One 5 mL lavender (EDTA) or pink (K₂EDTA). Storage/Transport Temperature: 5 mL whole blood. (Min: 2 mL) Transport at 20-25°C. Send Sunday-Thursday only. Remarks: Specimen must be received within 24 hours of collection; testing must be performed within 48 hours of collection. DO NOT FREEZE. Test results are unreliable in infants younger than 6 months of age. Stability (collection to initiation of testing): Ambient: 24 hours

Reference Interval: Negative
CPT Code(s):	83068
Cross References:	Unstable, Hemoglobin

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