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Vanderbilt Pathology Laboratory Services

Test Directory



PROGESTERONE (P4)

Department: Chemistry
Test Synonym(s): P4
CPT Codes: 84144
Methodology: Solid phase, competitive chemiluminescent enzyme immunoassay
Reference Range: 1 mo to 11 mo: 0-0.7, 1 yr to 9 yrs: 0-0.3, 10 yrs to 14 yrs: 0.1-0.8, Males 15 yrs to 18 yrs: 0.1-0.6, Males 18 yrs to 150 yrs: 0-0.2, Females 14 yrs to 150 yrs: No reference range - see interpretive table
Tube Type: Red top tube (no gel)
Specimen: Blood
Pediatric Requirements: 1 red microtainer
Volume: 5 mL
Minimum Volume: 0.5 mL plasma
Temperature: Refrigerated
Stability: Room temperature: 1 day; Refrigerated (2-8 C): 10 days; Frozen ( -20 C): 6 months
Reasons for Rejection: QNS, EDTA tube, specimen not separated
Days Performed: Daily
Times Performed: Continuous
TAT: Same Day
Special Instructions: Specimens should be centrifuged immediately.

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