Test Overview

Test Methodology

HPLC-Tandem Mass Spectrometry

Reference Range*

Premature (26 - 28 Weeks) Day 4: 10 - 670 ng/dL; Premature (31 - 35 Weeks) Day 4: 57 - 410 ng/dL; Full Term Day 3: 31 - 546 ng/dL; 1 - 11 Months: 5 - 220 ng/dL; 1 year old: 18 - 155 ng/dL; 2 - 9 Years: 6 - 85 ng/dL; 10 - 14 Years: 10 - 72 ng/dL; Adults: 9 - 58 ng/dL; Adults 8:00 AM Supine: 4 - 21 ng/dL; Adults 8:00 AM Upright: 5 - 46 ng/dL.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details

Days Test Performed

Monday

Analytic Time

3 - 14 days

Soft Order Code

HYD18

MiChart Code

18-Hydroxycorticosterone

Synonyms

Synonyms

Hydrocorticosterone, 18-
HYD18
18-HYDROXYCORTICOSTERONE

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Laboratory

Sendout

Laboratory Reference

Mayo HYD18 (80744) (Esoterix Endocrinology 500088)

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Specimen Requirements

Offsite Collection Instructions

Collect specimen in red top or SST tube. Centrifuge, aliquot serum into a plastic vial within 1 hour of collection and freeze.

Container

Yellow Top Tube

Normal Volume

3 mL serum

Minimum Volume

1 mL serum

Additional Information

Test sent to Mayo Medical Laboratories; performed by Esoterix Endocrinology.

Billing Information

Fee Codes


CPT Code

82542

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