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Test Code HIV P24 HIV P24 Antigen

Clinical System Name

HIV 1 P24 Antigen


P 24 Antigen
P24 Antigen

Sample Requirements

Specimen: Whole Blood

Container(s): Red or CSF Tube

Preferred Vol: 6.0 mL blood or 2 mL CSF

Minimum Vol: 2.0 mL blood or 1.0 mL CSF


Note: Method is affected by disease status of the patient and by drug therapy. Not affected by freezing sample. EDTA is acceptable not preferred.

Processing Instructions

Reject due to:

Spin: Y


Temp:-20 C

Storage location: Spin sample, transfer 1.0 - 2.0 mL serum or CSF supernatant to a plastic tube place inCPA freezer. Whole blood samples are stable for up to 24 hours refrigerated prior to centrifugation.


Off-site collection: Blood: Centrifuge, aliquot serum & Freeze @ -20°C
CSF: Freeze within 2 hours of collection or ship immediately @ 4°C. If CSF has cells, spin & aliquot clear CSF-Freeze @ -20°C. Transport frozen.


Specimen Type Temperature Time
Serum Room temp  24 h
  Refrigerated  5 d
  Frozen  Y



STAT Performed TAT
N T 4 d


Performing Laboratory

Harborview Medical Center

Room GWH47; 325 9th Ave
Seattle, WA 98104


Phone Number: (206) 744-3451


Department:  Send Outs


Phone Number: (206) 987-2563





Reference Range

Interpretation will accompany patient report.



Method: EIA

Analytical Volume: 1.0 mL serum or CSF


CPT Codes



Send Out Instructions


Reference Test Name: Human Immunodeficiency Virus (HIV 1) p24 Antigen
Reference Test Number: HIVP24
Instructions: Send out M - F with the UW courier.