Category
SPECIAL CHEMISTRY.
Sub Category
TUMOR MARKER
Synonyms/Aliases
FREE PSA
Abbreviations
N/A
Type
INDIVIDUAL TEST
Results
RESULTS READY/ REPORTED IN 5 WORKING DAYS.
Method
IMMUNOASSAY.
Temp
AMBIENT, REFRIGERATED (PREFERRED) OR FROZEN.
Setup
BATCHED.
Components Parameters
NOT APPLICABLE
PRE-ANALYTIC CONSIDERATIONS
Test Ordering Instructions
FILL OUT TEST REQUEST FORM FULLY & LEGIBLY.
Patient preparation
NO PREPARATION REQUIRED
Sample type
SERUM.
Container/ preservative
SERUM SEPARATOR TUBE (SST/ GEL) OR PLAIN (RED TOP) VACUTAINER.
Sample volume
AT LEAST 2ML
Rejection criteria
LABELING ISSUE (UNLABELED/ MISLABELED); MISSING REQUEST FORM; MISMATCH BETWEEN REQUEST FORM & SAMPLE DETAILS; MISSING AGE/ GENDER; WRONG SAMPLE TYPE; INSUFFICIENT SAMPLE.
Other Instructions
CENTRIFUGE SST (SERUM GEL TUBES) WITHIN 1-2 HOURS OF COLLECTION. CENTRIFUGE RED TOP VACUTAINERS AND ALIQUOT SERUM WITHIN 1-2 HOURS OF COLLECTION. THE SEPARATION VIAL MUST BE LABELED WITH AT LEAST 2 PATIENT IDENTIFIERS AND THE SAMPLE TYPE.
Reference intervals
INTERPRETIVE DATA IS PROVIDED ON THE REPORT.
Clinical Utility
ASSESSING THE RISK OF PROSTATE CANCER IN PATIENTS WITH BORDERLINE OR MODERATELY INCREASED TOTAL PSA.
Test Limitations/ Confounders
IMMUNOASSAY INTERFERENCE CAN GIVE RISE TO SPURIOUS RESULTS. SUCH INTERFERENCE CAN ARISE FROM PRESENCE OF HETEROPHILE ANTIBODIES, ANTI-ANIMAL ANTIBODIES, AUTOANTIBODIES, PARAPROTEINS, BIOTIN ETC. RESULTS SHOULD ALWAYS BE CORRELATED WITH CLINICAL FINDINGS.