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Test Code K-B sm FETAL CELL STAIN (Kleihauer/Betke)

Aliasis

Kleihauer-Betke Stain

Patient Preparation

Collected from mother within 1 hour after delivery

Special Collection Instructions

Sample labeling requirements:
For all patients over the age of four months, when sample is intended for transfusion purposes:
-A Blood Bank ID armband must be attached to the patient’s wrist at time of blood draw.
-The tube may be either labeled by hand at the bedside with ink on an adhesive label or with a computer-generated label. Either label must contain the following information:
—Complete first and last name
—Medical record number
—Date and time of collection
—Name or initials of the person collecting the sample.
—Blood Bank ID armband identifiers should be on tube, either in sticker form or hand written.

NOTE: Sample will need to be redrawn if mising any of the above information.

Collection Method

Venou collection

Minimum Volume

1.0 mL

Container

Whole blood: Purple/Lavender top

Preferred Specimen

Purple/Lavender Top (EDTA whole blood)

Acceptable Specimen(s)

EDTA Whole Blood

Reference or Target Ranges

Normal Adult Male

<1.0% fetal type hemoglobin

Normal pregnancy/delivery

No fetal-maternal hemorrhage

Critical Value

Not defined for this assay

Reasons for Rejection

Other:                           

Missing any of the following

  • Complete first and last name
  • Medical Record Number
  • Date & Time of collection
  • Name/Initials of person collecting the sample

Specimen Stability

Ambient

72 Hours

Refrigerated         

72 Hours

Performance Information

Days and Time Performed

24/7

Expected Turn Around Time

Within 4 Hours of arrival in lab

Stat Availability

No

Performing Bench

CRMC Hematology

Methodology/Method Description

A manual elution and staining procedure which quantitatively identified fetal erythrocytes in adult (maternal) blood.

CPT Codes

85461