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Lab Test Dictionary

Vitamin D, 25-Hydroxy

Methodology

Chemiluminescence Microparticle Immunoassay


Synonyms

Vitamin D25; 25OH

Specimen Type

Serum or Plasma

Performing Lab

RCHSD Chemistry


Epic ID

LAB02408

Lab Test Days

Monday-Friday

Standard TAT

4 Hours

Stat TAT

1 Hour


Collection Information

Specimen Required

1 mL Blood

Container Type

Light Green (Lithium Heparin PST)

Collection Instructions

Plasma collected in an EDTA (lavender-top) or sodium heparin (green-top), serum collected in a (red-top) or serum separator tube (SST) are also acceptable.


Processing Information - Lab Use Only

Transport Temperature

Refrigerate-OK/Frozen-OK/Ambient-OK

Specimen Stability

Room Temp=72 Hours; Refrigerated=12 Days; Frozen=3 Months

Rejection Criteria

Gross Hemolysis; Gross Lipemia

Test Volume Required

0.5 mL Plasma or Serum

Minimum Test Volume

0.3 mL Plasma or Serum

Processing Instructions

Centrifuge and separate serum or plasma. Deliver specimen directly to Chemistry on Monday-Friday. On weekends, place specimen in the refrigerator.


CPT Codes

82306


Revised

07-28-21

Initials

DM