Progesterone, Immunoassay

Test code

745

CPT code(s)*

84144

Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide Service Area Information to find available tests you can order.

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Clinical significance

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

Test resources

None found for this test
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Details

Test details

Methodology

Immunoassay (IA)

Specimen requirements
Patient preparation	None Specified
Preferred specimen(s)	1 mL serum
Minimum volume	0.5 mL
Collection instructions	DHEA supplementation causes a false elevation of values in this standard Immunoassay method for progesterone. Physicians using progesterone levels as a criterion for triggering ovulation in an IVF cycle in patients supplemented with DHEA should assess progesterone levels using a LC/MS/MS progesterone assay, such as order code 17183 performed at Quest Diagnostics, San Juan Capistrano. Note: Do not add on progesterone testing to a barrier gel specimen older than 72 hours.
Transport container	Serum separator tube (SST)
Transport temperature	Room temperature
Specimen stability	Room temperature: 72 hours Refrigerated: 7 days Frozen: 28 days Do not add on Progesterone testing to a barrier gel specimen older than 72 hours
Reject criteria	Serum stored on barrier gel for more than 72 hours

Reference range(s)

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).

LOINC® codes

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Service Area Information

Performing lab & setup schedule

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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 guidance 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.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

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