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Fetomaternal Hemorrhage

Source Blood
Mnemonic FMH PB
Specimen Requirements

1 x 4 mL or 1 x 3 mL lavender top EDTA tube

Minimum volume: 0.1 mL.

Specimen Handling

Specimens submitted to CLS from within Alberta: Mix well. DO NOT centrifuge or freeze. Deliver immediately to Flow Cytometry.

Specimens submitted to CLS from outside Alberta: DO NOT centrifuge or freeze samples. Ship at 4oC, using an overnight courier . Please follow Flow Cytometry Shipping and Handling instructions when sending to CLS.

Additional Information

Calgary Zone: Stat and ASAP requests received after the daily testing has been completed will be processed at the beginning of the next regular working day. Contact Flow Cytometry pathologist on-call for weekend or holiday stat requests.

Specimens submitted to CLS from outside Alberta: Use FC3200EP Flow Cytometry Out of Province Requisition.
For pricing and billing, refer to Flow Cytometry Billing and Pricing.

Testing Location Flow Cytometry
Testing Frequency Once per day.  Monday - Saturday. The Flow Cytometry pathologist on-call must be called to approve all testing out of normal hours of operation.
Alternate Name(s)

Fetal Hemoglobin, Kleihauer Stain;
Hemoglobin F, Kleihauer Stain;
Kleihauer Maternal Test

Reference Interval Provided on report.