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Test Code 8166 Vitamin D, 25-Hydroxy

Performing Laboratory

Barnes-Jewish Hospital Laboratory

Methodology

Chemiluminescent Immunoassay

Note: Do not confuse this test with the less commonly ordered #8000 1,25-Dihydroxyvitamin D, Serum.

Literature Reference:

Package insert: Abbott Laboratories Architect 25-OH Vitamin D product insert, November 2011

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Specimen Requirements

Specimen Type: Plasma
Container/Tube: Mint Green top tube
Specimen Volume: Full tube

 

Day(s) Test Set Up

Monday through Sunday

Turnaround Time:
STAT: not available
Routine: results available the day of testing

Reference Values

30-100 ng/mL

This reference interval is consistent with recent published reports and the National Kidney Foundation’s Kidney Disease Outcomes Quality Initiative.

Literature References:

1. Holick MF. NEJM 2007;357:266-81.
2. K/DOQI Clinical Practice Guidelines for Bone Metabolism and Disease in Chronic Kidney Disease. kidney.org/professionals/KDOQI/guidelines_bone/Guide7.htm

Test Classification and CPT Coding

82306

Additional Information

For BJH Laboratory Use Only

Alternate Tube(s): Plain Red top tube

Analyte Stability:

Stable at 4° C for 24 to 72 hours. Avoid repeated freezing and thawing.
Laboratory Processing Instructions:

Test performed in BJH Core lab. Processed and aliquoted by Cobas 8100 automated line for delivery to the Abbott Architect. Completed specimens are stored refrigerated for 5 days.

Specimen Transport Temperature

Ambient/Refrigerate 24 hours OK

LOINC Code Information

Name LOINC Code
Vitamin D, 25-Hydroxy, Serum 1989-3