Sign in →

Folate, RBC

Clinical System Name

Miscellaneous Test

Synonyms

Folate, Red Blood Cell

Folate, Red Cell

Folic Acid

RBC Folate

Vitamin B9

Sample Requirements

Specimen: Whole Blood

Container(s): Lavender/EDTA

Preferred Vol: 2.0 mL

Minimum Vol: 1.0 mL

 

Note: CRITICAL FROZEN. Protect from light during collection, storage, and shipment. Hematocrit must be performed and indicated on the test request form. If the patient has not received a transfusion or experienced excessive bleeding between the RBC folate draw and the hematocrit draw, any hematocrit drawn within 24 hours of RBC folate draw is acceptable.

Processing Instructions

Reject due to: Non-frozen specimens. Clotted specimens.

Spin: N

Aliquot: Y

Temp: -20 C

Storage location: Do not spin. Mix specimen well and transfer 1 mL whole blood to a light-protected amber vial. Store aliquot in CPA -20 Freezer, send-outs rack.

 

Off-site collection: Do not spin. Mix specimen well and transfer 1 mL whole blood to a light-protected amber vial. Transport frozen at -20 C.

Stability

Specimen Type Temperature Time
Whole Blood Room temp

2 h

  Refrigerated 4 h
  Frozen 2 m

 

Availability

STAT Performed TAT
N Drawn daily; Set-up Su - Sa at ARUP Lab 3 - 6 d

 

Performing Laboratory

ARUP Laboratories

500 Chipeta Way

Salt Lake City, UT 84108-1221

 

Phone Number: (800) 522-2787

Department

Department: Send Outs

 

Phone Number: (206) 987-2563

 

 

 

Reference Range

Greater than or equal to 366 ng/mL

Methodology

Method: Quantitative Chemiluminescent Immunoassay

Analytical Volume: 1 mL

Limitations:

CPT Codes

82747

Send Out Instructions

 

Reference Test Name:

Folate, RBC

Reference Test Number:

0070385

Instructions:

Send out M - F with the ARUP courier. Sample should be sent with a copy of the patient's previous hematocrit result(s).