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Hemoglobin F with Reflex to Electrophoresis

Mnemonic

HGB RFLX

Synonym

Fetal Hemoglobin - HbF

Specimen Collection Requirements

Collect

Whole Blood, one 4.0 mL lavender (EDTA) top tube

Handling

Transport 3 mL whole blood. Do not separate. Do not freeze.

Preferred Volume

3.0 mL

Minimum Volume

0.2 mL

Transport

Refrigerated (2-8°C)

Rejection Criteria

Frozen or room temperature specimens

Stability

UNSPUN SAMPLES: Ambient (20-25°C): Unacceptable; Refrigerated (2-8°C): 1 week; Frozen (at or below -20°C): Unacceptable

Testing Information

Note

This assay measures percentage of hemoglobin F only.

Performed

7 days/week

Reported

2-3 days

Method

High Performance Liquid Chromatography

Referral Lab

ARUP (3002645)

Reference Values

Reference Values

1 year of age or greater: 0.0-2.0% of total hemoglobin.
Results vary with age.

CPT Codes

83021, add 83020 if reflexed

Last Updated: Tuesday, August 18, 2020 06:29:55 PM


Client Services: 503-413-1234