Hemoglobin Variant Quant

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General Information

Lab Name
Hemoglobin Variant Quant
Lab Code
HBQVAR
Epic Ordering
Hemoglobin Variant Quantitative
Description

HBQVAR replaced HBSQH. This test is only used for quantification pre- and post- treatment of KNOWN HbS patients, not for identification of abnormal hemoglobins. In addition, Hb C, Hb D, Hb E are quantified on known patients. Example: Both Hb S and Hb C levels are quantified on a patient with SC Disease.

Synonyms
HBSQH, post-transfusion, pre-transfusion, red cell, sickle, sickle cell
Components
Code Name
HBSQ Hemoglobin S Quant

Interpretation

Method

High Performance Liquid Chromatography (HPLC)

Reference Range
See individual components
Guidelines

Ordering & Collection

Specimen Type
Blood
Collection

3 mL LAVENDER TOP tube

Pediatric draw: (3) lavender top microtainers

Handling Instructions
Quantity
requested: 3 mL whole blood
minimum: 1 mL whole blood

Processing

Processing

Refrigerate whole blood

Stability: EDTA: Refrigerated, 7 days. Ambient, 2 days.

Unacceptable: Other anticoagulants, Frozen samples.

Performance

LIS Dept Code
Red Cell Disorders (RCD)
Performing Location(s)
HMC Red Cell Disorders
206-520-4600

325 9th Ave, Rm # GWH-47, Seattle, WA 98104-2420

Frequency
Monday-Friday 07:30 A.M.
Available STAT?
No

Billing & Coding

CPT codes
83021
LOINC
42248-5
Interfaced Order Code
UOW3601