ANTITHROMBIN

Antithrombin Activity

EPIC Test Procedure Code: LAB2882

Synonyms:
ANTITHROMBIN III
AT3
Performing Lab:
Saint Luke's Regional Laboratories
Container Type:
Light blue top (sodium citrate) tube
Specimen Type:

Plasma

Preferred Volume:
2 mL
Minimum Volume:
1 mL
Specimen Processing:

1. Centrifuge specimen in a centrifuge that has been validated to ensure platelet poor plasma.
2. Immediately transfer the plasma to a stoppered, plastic tube and centrifuge again for 10 minutes.
3. Transfer the supernatant plasma into a screw-capped, plastic vial and send at ≤ -20 °C, if possible.
4. If unable to centrifuge, forward unprocessed sodium citrate whole blood (minimum volume: 2 mL) to the laboratory promptly at room temperature only.

Store and Transport:
Frozen
Stability:

Unspun specimens must arrive within 2 hours of collection.

CPT Codes:

85300 - Antithrombin (EAP 30020060)

Test Schedule:
Monday through Friday
Reference Ranges:

80 - 130 %

Lab Personnel

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