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Test Name

Progesterone, Immunoassay

To view specimen requirements and codes please Select a regional laboratory.

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CPT Code(s)**

84144
**IMPORTANT: CPT Code is informational only; obtain the Test Code for ordering.

Methodology

Immunoassay (IA)

Limitations

Heterophil antibodies may produce falsely-elevated results.

Reference Range(s)

Male <1.4 ng/mL
Female    
  Follicular Phase <1.0 ng/mL
  Luteal Phase 2.6-21.5 ng/mL
  Postmenopausal <0.5 ng/mL
  Pregnancy    
  First Trimester 4.1-34.0 ng/mL
  Second Trimester 24.0-76.0 ng/mL
  Third Trimester 52.0-302.0 ng/mL
Children (<18 years old): Progesterone reference ranges established on post-pubertal patient population. Reference range not established for pre-pubertal patients using this assay. For pre-pubertal patients, the Nichols progesterone, LC/MS/MS assay is recommended (test code 17183).

Clinical Significance

Levels increase sharply during the luteal phase of the menstrual cycle. The level increases from 9 to 32 weeks of pregnancy.

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided 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 payer being billed.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.

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Progesterone, Immunoassay
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