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Test Code BLOD0616 Haptoglobin, Plasma or Serum

Useful For

Confirmation of intravascular hemolysis



Performing Laboratory

Bozeman Health Laboratory Services

Specimen Requirements

Specimen Type: Plasma or serum

Container/Tube: Light-green top (lithium heparin gel), dark-green top (sodium heparin), red top, or gold top

Specimen Volume: 1 mL

Specimen Minimum Volume: 0.5 mL

Collection Instructions: Centrifuge and separate serum from cells within 2 hours of collection.  Label specimen as plasma or serum.

Additional Information

  • Serum or plasma should be physically separated from cells as soon as possible, with a maximum limit of two hours from the time of collection.
  • If freezing samples, samples should be frozen within 24 hours of collection.

Specimen Transport Temperature


Specimen Stability


Specimen Type Temperature Time
Plasma or Serum Refrigerated 7 days
  Frozen 3 months


Reference Values

30-200 mg/dL

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding