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Human Placental Lactogen

ARUP #99721, EPIC: LAB6060, SOFT: XHPL

Test Codes

ARUP #99721, EPIC: LAB6060, SOFT: XHPL

Specimen Collection Criteria

Collect: One plain Red-top tube.
Also acceptable: One Gold-top SST tube.

Physician Office/Draw Specimen Preparation

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells within two hours of collection. Transfer serum to a plastic transport tube and freeze (-20°C/-4°F or below) immediately.

Preparation for Courier Transport

Transport: 1.0 mL serum, frozen (-20°C/-4°F or below). (Minimum: 0.5 mL)

Rejection Criteria

Specimens not collected and processed as indicated.

In-Lab Processing

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells within two hours of collection. Transfer serum to a plastic transport tube and freeze (-20°C/-4°F or below) immediately.

Transport: 1.0 mL serum, frozen (-20°C/-4°F or below). (Minimum: 0.5 mL) 

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 4 hours
Refrigerated (2-8°C or 36-46°F): 24 hours
Frozen (-20°C/-4°F or below): 3 months

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Sendout Laboratory with any questions.

Laboratory

Sent to ARUP Laboratories, Salt Lake City, UT, forwarded to Cambridge Biomedical Research Group, Boston, MA.

Performed

Varies.
Results available in 4-12 days.

Reference Range

By report.

Test Methodology

Enzyme-Linked Immunosorbent Assay.

Interpretation

By report.

Clinical Utility

The human placental lactogen assay is used as an index of fetal well-being. Decreased hPL levels are seen with intrauterine growth retardation. This assay is useful in the evaluation of antepartum placental function. Maternal hPL serum levels correlate with placental weight.

CPT Codes

83632

Contacts

Last Updated

10/23/2019