Prolactin, 4 Specimens

Test Code

4692

CPT Code(s)

84146 (x4)

Test Code

4692

CPT Code(s)

84146 (x4)

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Clinical Significance

Prolactin, 4 Specimens - During pregnancy and postpartum lactation, serum prolactin can increase 10 to 20-fold. Exercise, stress, and sleep also cause transient increases in prolactin levels. Consistently elevated serum prolactin levels (greater than 30 ng/mL), in the absence of pregnancy and postpartum lactation, are indicative of hyperprolactinemia. Hypersecretion of prolactin can be caused by pituitary adenomas, hypothalamic disease, breast or chest wall stimulation, renal failure or hypothyroidism. A number of drugs, including many antidepressants, are also common causes of abnormally elevated prolactin levels. Hyperprolactinemia ...

Test Resources

None found for this test
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Test Details

Patient Preparation

Overnight fasting is preferred

Methodology

Immunoassay (IA)

Reference Range(s)

Adult Male	2.0-18.0 ng/mL
Adult Female
Non-Pregnant	3.0-30.0 ng/mL
Pregnant	10.0-209.0 ng/mL
Postmenopausal	2.0-20.0 ng/mL

Stages of Puberty (Tanner Stages)

	Female Observed	Male Observed
Stage I	3.6-12.0 ng/mL	≤10.0 ng/mL
Stage II-III	2.6-18.0 ng/mL	≤6.1 ng/mL
Stage IV-V	3.2-20.0 ng/mL	2.8-11.0 ng/mL

LOINC® Codes, Performing Laboratory

Service Area must be determined

Patient Preparation

Overnight fasting is preferred

Methodology

Immunoassay (IA)

Reference Range(s)

Adult Male	2.0-18.0 ng/mL
Adult Female
Non-Pregnant	3.0-30.0 ng/mL
Pregnant	10.0-209.0 ng/mL
Postmenopausal	2.0-20.0 ng/mL

Stages of Puberty (Tanner Stages)

	Female Observed	Male Observed
Stage I	3.6-12.0 ng/mL	≤10.0 ng/mL
Stage II-III	2.6-18.0 ng/mL	≤6.1 ng/mL
Stage IV-V	3.2-20.0 ng/mL	2.8-11.0 ng/mL

LOINC® Codes, Performing Laboratory

Service Area must be determined

Preferred Specimen(s)

1 mL serum per specimen

Minimum Volume

0.5 mL per specimen

Collection Instructions

Note time on tubes

Transport Container

Serum separator tube (SST)

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 5 days
Refrigerated: 7 days
Frozen: 28 days

Setup Schedule

Service Area must be determined

Preferred Specimen(s)

1 mL serum per specimen

Minimum Volume

0.5 mL per specimen

Collection Instructions

Note time on tubes

Transport Container

Serum separator tube (SST)

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 5 days
Refrigerated: 7 days
Frozen: 28 days

Setup Schedule

Service Area must be determined

This test is not available in all locations. Please provide ACCOUNT INFORMATION NEEDED to confirm Test Code for the lab that services your account or to find available tests you can order.

In-home collection is not available in your area through Quest Mobile.

Test Details

Clinical Significance

Test Resources

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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