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HelpTest Code 0253237 Fetal Maternal Hemorrhage (FMH) Screen
Methodology
Immucor Gamma Fetal Bleed Screening TestTM
This is a screening test for RhIg work-up.
Performing Laboratory
Alomere Health Hospital Laboratory
Specimen Requirements
Draw blood at least one hour after delivery and within 24 hours.
Specimen Type: Whole blood
Collection Container/Tube: Lavender top (EDTA)
Specimen Volume: 5 mL
Specimen Minimum Volume: 2 mL
Collection Instructions:
1. Draw blood at least one hour after delivery.
2. Testing must be done within 24 hours of collection.
3. This test is not applicable if:
- Newborn is weak-D positive. Order Mayo test code FMB “Fetomaternal Bleed, Flow Cytometry, Blood.”
- Mother is weak-D positive. Order Mayo test code FMB “Fetomaternal Bleed, Flow Cytometry, Blood.”
Specimen Transport Temperature
Refrigerated
Reference Values
Negative
Positive, referred to Mayo Medical Laboratory for #FMB “Fetomaternal Bleed, Flow Cytometry, Blood” for determination of RhIg dosage.
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
85461 Fetal Maternal Hemorrhage Screen
88184 Fetomaternal Bleed,Flow Cytomety (if appropriate)