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The University of Chicago Medicine Laboratories

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Specimen Collection and Handling

Transfusion

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Mayo Clinic Laboratories

Test Code PLHBB Plasma Free Hemoglobin, Plasma

Important Note

Order LABRFHGBPS in Epic

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Plasma EDTA


Specimen Required


Collection Container/Tube: Lavender top (EDTA)

Submission Container/Tube: Plastic vial

Specimen Volume: 2 mL

Collection Instructions:

1. Centrifuge and transfer plasma to a plastic vial within 2 hours of collection.

2. Results could be falsely elevated due to artifactual red blood cell lysis if not centrifuged within 2 hours of collection.


Specimen Minimum Volume

1.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Plasma EDTA Refrigerated (preferred) 20 days
  Frozen  30 days
  Ambient  4 days

Reference Values

TOTAL PLASMA HEMOGLOBIN

≥12 months: 0.0-15.2 mg/dL

Reference values have not been established for patients who are younger than 12 months of age.

 

OXYHEMOGLOBIN

≥12 months: 0.0-12.4 mg/dL

Reference values have not been established for patients who are younger than 12 months of age.

Day(s) Performed

Monday through Sunday

CPT Code Information

83051

Report Available

1 to 3 days

Reject Due To

Gross hemolysis OK
Gross lipemia OK

Method Name

Spectrophotometry (SP)

Forms

If not ordering electronically, complete, print, and send a Benign Hematology Test Request Form (T755) with the specimen.

Secondary ID

9096