Days Set Up
Daily, 24 hours
Analytic Time

2 - 4 hours

MiChart Code
Hemoglobin, Fetal
Soft Order Code
KBT

Test Updated:

Synonyms

Acid Elution for Fetal Hemoglobin
Fetal Hemoglobin
Hemoglobin F (Fetal)
Hgb F
K-B
Kleihauer-Betke (KB)
KLEIHAUER-BETKE
HEMF
HEMOGLOBIN F, BLOOD
HGB F TEXT
HGB-F
HEMOGLOBIN F INTERPRETATION
Fetal Maternal Hemorrhage

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MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

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Test Overview

Test Methodology

Acid Elution

Test Usage

To assess the magnitude of fetal-maternal hemorrhage.

Reference Range

0.00 - 0.20 %

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Onsite

Collect specimen in a lavender top EDTA K2 Vacutainer® tube as soon after delivery or incident as possible. Send intact immediately. Refrigerate if transport delay is expected. Specimen must arrive in laboratory within 24 hours of collection.

Collection Offsite

Collect specimen in a lavender top EDTA K2 Vacutainer® tube as soon after delivery or incident as possible. Refrigerate and send intact within 24 hours of collection.

Red Top Tube
Normal Volume
3 mL EDTA K2 whole blood
Minimum Volume
1 mL EDTA K2 whole blood

Billing Information

CPT Code
85460
Pro Fee Code
 
LOINC
 

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.