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Prostate Specific Antigen (PSA), Total with Reflex to Free

Specimen Container

Gold

Specimen Collection Type

Serum or Plasma

Minimum Volume To Collect (Ml)

0.5 mL

Specimen Preparation

Allow clot, separate < 2hrs

Stability

Ambient Stability: 8 hrs
Refrig Stability: 5 days
Frozen Stability: 3 Months

Unacceptable Conditions

Grossly hemolyzed specimens. Vaginal washings.

Preferred Transportation Temperature

FROZEN

Performed

Sun-Sat

Reported

Within 24 hours

Methodology

Quantitative Electrochemiluminescent Immunoassay (ECLIA)

Lab Department

Core

Testing Location

IHC

Synonyms

Free PSA
Free Ratio Reflex
PSA Free/Total Ratio
PSA ratio
PSA Total
PSA Total and Free
Total PSA

Test OR Panel

Test

Misc Instructions

Allow specimen to clot completely at room temperature. Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Unit of Measurement

ng/mL

CPT Codes

84153; if reflexed, add 84154

LOINC

53764-7

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