Test Directory

Hemoglobin

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Updated Test Information:

Test Description
Hemoglobin
Synonym(s)
Hgb
Test ID
HGB
General Information
Evaluate anemia, blood loss, hydration or suspected polycythemic condition, and response to treatment
Specimen Type
Whole Blood
Specimen Requirements
Lavender
Additional Processing Details
Specimen is stable at Room Temperature 1 day Specimen is stable Refrigerated 2 days
Stability
Room Temperature: 1 day
Refrigerated: 2 days
Frozen: Unacceptable 
Unacceptable Specimen Conditions
Hemolysis; clotted specimen; specimen drawn in any anticoagulant other than EDTA; specimen diluted or contaminated with IV fluid; tube not filled with minimum volume; improper labeling; transfer tubes with whole blood; specimen received with plasma removed.
Limitations
Hyperlipemic plasma or white count >50,000/mm³ may falsely elevate the hemoglobin result with corresponding increase in the MCH. The laboratory will attempt to correct this interference by a special technique.
Methodology
Automated
Estimated TAT
0-2 days
Testing Schedule
Monday-Saturday, & STAT
CPT Code(s)
85018
Minimum Sample Volume
0.5 mL of Whole Blood
Pediatric Min. Volume (if applicable)
500 μL for pediatric microtainer capillary tubes; fill tube to capacity.
Reference Range
HGB, g/dL M: 13.7 - 16.7 F: 11.6 - 15.5
Reflex Conditions
Pathologist Impression will be reflexed with abnormal result findings or by Add-On request
Performing Lab
Incyte Diagnostics
LOINC Code(s)
718-7