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Test Code OHPG 17-Hydroxyprogesterone, Serum

Additional Codes

Internal: 10281

External: 17OHPROG

Beaker: LAB720

Reporting Name

17-Hydroxyprogesterone, S

Useful For

Screening test for congenital adrenal hyperplasia (CAH), caused by either 11- or 21-hydroxylase deficiency, when used in combination with testing for cortisol and androstenedione

 

As part of a battery of tests to evaluate women with hirsutism or infertility

Testing Algorithm

For more information see Steroid Pathways

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum Red


Ordering Guidance


The preferred screening test for congenital adrenal hyperplasia caused by 21-hydroxylase deficiency is CAH21 / Congenital Adrenal Hyperplasia (CAH) Profile for 21-Hydroxylase Deficiency, Serum, which allows the simultaneous determination of 17-hydroxyprogesterone, androstenedione, and cortisol.



Necessary Information


Patient's age and sex are required.

Specimen Required


Collection Container/Tube: Red top (serum gel/SST are not acceptable)

Submission Container/Tube: Plastic vial

Specimen Volume: 0.6 mL

Collection Instructions: Centrifuge and aliquot serum into plastic vial.


Specimen Minimum Volume

0.25 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Red Refrigerated (preferred) 28 days
  Frozen  28 days
  Ambient  7 days

Special Instructions

Reference Values

Children:

Preterm infants

Preterm infants may exceed 630 ng/dL, however, it is uncommon to see levels reach 1,000 ng/dL.

Term infants

0-28 days: <630 ng/dL

Levels fall from newborn (<630 ng/dL) to prepubertal gradually within 6 months.

Prepubertal males: <110 ng/dL

Prepubertal females: <100 ng/dL 

 

Adults:

Males: <220 ng/dL

Females

Follicular: <80 ng/dL

Luteal: <285 ng/dL

Postmenopausal: <51 ng/dL

 

Note: For pregnancy reference ranges, see: Soldin OP, Guo T, Weiderpass E, et al. Steroid hormone levels in pregnancy and 1 year postpartum using isotope dilution tandem mass spectrometry. Fertil Steril. 2005;84(3):701-710

Day(s) Performed

Monday through Friday

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

83498

LOINC Code Information

Test ID Test Order Name Order LOINC Value
OHPG 17-Hydroxyprogesterone, S 1668-3

 

Result ID Test Result Name Result LOINC Value
9231 17-Hydroxyprogesterone, S 1668-3

Report Available

2 to 5 days

Reject Due To

Gross hemolysis OK
Gross lipemia Reject
Gross icterus OK

Method Name

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

Forms

If not ordering electronically, complete, print, and send General Test Request (T239) with the specimen.