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24-Hour Urine Collection Instructions - Spanish

 

24-Hour Urine Collection Instructions - English

 

Patient Portal Information

 

 

 

 

 

Mayo Clinic Laboratories

Test Code 230539699 Vitamin D 25-Hydroxy

Performing Laboratory

Torrance Memorial Laboratories

Specimen Requirements

Submit only 1 of the following specimens:

 

Hospital Preferred Specimen Type: Plasma

Container/Tube: Lithium heparin gel

 

Outreach Preferred Specimen Type: Serum

Container/Tube: Serum gel

 

Spin Instructions:

Serum gel:  Allow to sit for 30 minutes prior to spinning.  Spin within 2 hours of collection.

Heparin plasma: Spin within 45 minutes of collection. 

 

Also acceptable:  Red top tube

Specimen Transport Temperature

Ambient

 

Storage Temp Stability:
Room Temperature: 72 hours
Refrigerated Temperature: 7 days

Methodology

Immunoassay

Reference Range

30.00 - 100.00 ng/mL

See interpretive data

 

Interpretive data:

Vitamin D Status      Range

Deficiency                 <20 ng/mL        

Insufficiency             20-30 ng/mL          

Sufficiency                30-100 ng/mL            

Toxicity                   >100 ng/mL  

 

Since there is no national standard for Vitamin D testing, results from different methodologies should not be interchanged. The results for this test were generated using the Abbott Alinity Immunoassay test effective June 22, 2021.  

 

Day(s) Test Set Up/TAT

Performed:

Daily

Available STAT

TAT:

STAT:  < 1 hr

Routine:  < 4 hrs

Aliases

Vitamin D Total, Vitamin D (D2 plus 3)

CPT Code

82306