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Lab Test Dictionary

Prothrombin Antibodies (IgG, IgM) (11265X)


Enzyme Linked Immunosorbent Immunoassay (ELISA)

Specimen Type

Serum or Plasma

Performing Lab

Quest Diagnostics San Juan Capistrano

Epic ID


Lab Test Days


Standard TAT

4 Days

Collection Information

Specimen Required

2.7 mL Blood

Container Type

Light Blue (Sodium Citrate)

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp: 48 Hours; Refrigerated: 14 Days; Frozen: 21 Days

Rejection Criteria

Gross Hemolysis

Test Volume Required

1 mL Serum or Plasma

Minimum Test Volume

0.3 mL Serum or Plasma

Processing Instructions

Blood should be collected by venipuncture and the serum separated from the cells by centrifugation after clot formation. If citrated plasma is to be used, blood should be collected by venipuncture and the plasma separated from the cells immediately by centrifugation at 1500g for 10 minutes. The supernatant must be carefully removed after centrifugation to avoid contamination with platelets. Repeating the centrifugation and separation steps may be advisable to minimize platelet contamination. Grossly hemolyzed specimens are unacceptable.

CPT Codes

86849 (x2)