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Test Code FMB Fetomaternal Bleed, Flow Cytometry, Blood

Additional Codes

MLAB: YFM

Powerchart: Fetal Maternal Hemorrhage Quantitative

Epic: Fetomaternal Bleed Flow Cytometry [LAB3505]

Reporting Name

Fetomaternal Bleed,Flow Cytometry,B

Useful For

Determining the volume of fetal-to-maternal hemorrhage for the purposes of recommending an increased dose of the Rh immune globulin

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Whole Blood EDTA


Specimen Required


Specimen must arrive within 120 hours (preferably 24-72 hours) of draw.

 

Container/Tube: Lavender top (EDTA)

Specimen Volume: Full tube

Collection Instructions:

1. Do not centrifuge or aliquot.

2. Invert several times to mix blood.

3. Send specimen in original tube.


Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time
Whole Blood EDTA Refrigerated (preferred) 5 days
  Ambient  5 days

Reference Values

≤1.5 mL of fetal RBCs in normal adults

Day(s) and Time(s) Performed

Monday through Sunday; Varies

Test Classification

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

88184-Flow cytometry, cell surface, cytoplasmic

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FMB Fetomaternal Bleed,Flow Cytometry,B In Process

 

Result ID Test Result Name Result LOINC Value
28204 Mother's Rh 10331-7
28202 Fetal-Maternal Bleed 55730-6
28203 Rh Immune Globulin 55731-4
4058 Remarks 48767-8

Reject Due To

Hemolysis

Mild reject; Gross reject

Lipemia

Mild reject; Gross reject

Icterus

Mild reject; Gross reject

Other

Clotted blood

Method Name

Flow Cytometry