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Hematocrit CPT: 85014

Synonyms

Packed Cell Volume

Test Includes

Percent of saturation; serum iron; total iron binding capacity; unsaturated iron binding capacity

Expected Turnaround Time

Within 1 day

Specimen Requirements

Specimen

Whole blood

Volume

Tube fill capacity

Minimum Volume

0.5 mL (500 μL for pediatric microtainer capillary tubes; fill tube to capacity.)

Container

Invert tube 8 to 10 times immediately after tube is filled at the time of collection.

Collection

Separate serum or plasma from cells within 45 minutes of collection.

Storage Instructions

Maintain specimen at room temperature.

Stability Requirements

Temperature Period
Room Temperature 1 day
Refrigerated 3 days
Frozen Unstable
Freeze/thaw/ cycles Unstable

Patient Information

To determine the proportion of your blood that is made up of red blood cells (RBCs) in order to screen for, help diagnose, or monitor conditions that affect RBCs; as part of a routine health examination or if your healthcare practitioner suspects that you have anemia or polycythemia.

With a test for hemoglobin or as part of a complete blood count (CBC)during a routine health exam or when you have signs and symptoms of anemia (weakness, fatigue) or polycythemia (dizziness, headache); at regular intervals to monitor a disorder that affects RBCs and to evaluate the effectiveness of treatment.

A blood sample drawn from a vein or by a fingerstick (children and adults) or heelstick (newborns).

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