Penta Screen (NY)

Test Code

16970

CPT Codes
82105, 82397, 82677, 84702, 86336<br /> For Non-New York State patient testing, use code 15934 Penta Screen.

Includes

AFP, unconjugated Estriol, hCG, Dimeric Inhibin A, ITA (hyperglycosylated hCG) and Maternal Risk Interpretation

Preferred Specimen

4 mL serum

Minimum Volume

1.5 mL

Instructions

This risk assessment cannot be performed unless all demographic data are provided by the ordering physician. This is a screening test, not a diagnostic test. This risk assessment is based on demographic data provided by the ordering physician.

Transport Container

Plastic screw-cap vial

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 14 days
Refrigerated: 14 days
Frozen: 28 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis • Gross lipemia

Methodology
Immunoassay (IA)

Setup Schedule

Set up: Mon-Sat; Report available: 3-5 days

Limitations

Penta Screen results consistent with an increased risk of trisomy should be confirmed with amniotic fluid specimen. Results consistent with increased risk of NTD may be followed-up with appropriate diagnostic testing as detailed in the report. Maternal serum screening yields a low percentage of false negatives. A wide range of other chromosomal abnormalities are not identified by maternal serum screening.

Reference Range

See Laboratory Report

Clinical Significance

To screen a woman in her second trimester of pregnancy for Neural Tube Defects, Down Syndrome and Trisomy 18 at 9 to 13 weeks gestation.

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.