Lab Dept:

Chemistry

Test Name:

PROLACTIN

General Information

Lab Order Codes:

PROL

Synonyms:

N/A

CPT Codes:

84146 - Prolactin

Test Includes:

N/A

Logistics

Test Indications:

Useful for detecting prolactin-secreting pituitary tumors; aiding in the evaluation of hypothalmic disease, hypopituitarism, etc.

Lab Testing Sections:

Chemistry (all specimens tested on the St. Paul campus)

Phone Numbers:

Minneapolis:

Saint Paul:

612-813-6280

651-220-6550

Test Availability:

Daily, 24 hours

Turnaround Time:

1 – 3 days, test performed Monday – Friday.

Special Instructions:

N/A

Specimen

Specimen Type:

Blood

Container:

Red top (plain, no gel) tube

Draw Volume:

1.5 mL (Minimum: 0.6 mL) blood

Processed Volume:

0.5 mL (Minimum: 0.2 mL) serum

Collection:

Routine venipuncture

Special Processing:

Lab Staff: Centrifuge specimen, remove serum aliquot into a plastic sample cup. Store at refrigerated temperatures.

Patient Preparation:

None

Sample Rejection:

Mislabeled or unlabeled specimen, specimens other than serum, gross hemolysis

Interpretive

Reference Range:

Age:

Range:

Male:

1 - 7 days:

30 - 495 ng/mL

1 - 6 weeks:

29 - 145 ng/mL

6 - 8 weeks:

11 - 23 ng/mL

>2 months:

3 - 18 ng/mL

Female:

1 - 7 days:

30 - 495 ng/mL

1 - 6 weeks:

29 - 145 ng/mL

6 - 8 weeks:

11 - 23 ng/mL

>2 months:

3 - 24 ng/mL

Critical Values:

N/A

Limitations:

Heterophile antibodies may interfere with immunoassay testing.

Methodology:

Competitive Chemiluminescent Immunoassay

References:

Siemens Immulite 2000 Prolactin Product Insert (12/04/2008) Siemens Healthcare Diagnostics

DPC End User Procedure Manual Disk #0408111 (2005)

National Committee for Clinical Laboratory Standards (NCCLS) (2002) Clinical Laboratory Technical Procedure Manuals; Approved Guideline-Fourth Edition GP2-A4

Burtis CA, Ashwood ER, editors (1994) Tietz Textbook of Clinical Chemistry. 2nd ed. Philadelphia: W.B. Saunders

Biorad Immunoassay Plus Control Product Insert