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Lab Test Dictionary

Folate, RBC (467)

Methodology

Immunoassay (IA)


Synonyms

Red Blood Cell Folate; RBC Folic Acid; Folic Acid; Red Cell Folate; RBC Folate

Specimen Type

Whole Blood

Performing Lab

Quest Diagnostics San Juan Capistrano


Epic ID

LAB01219

Lab Test Days

Tuesday-Saturday

Standard TAT

1-2 Days


Collection Information

Specimen Required

0.2-2 mL Whole Blood

Container Type

Lavender (EDTA)

Collection Instructions

Both the HCT and folate will be performed on this tube. If sample is sent frozen, a default hematocrit will be used for calculation of the RBC folate. Do not freeze as this will affect the HCT. Wrap tube in aluminum foil to protect from light.


Processing Information - Lab Use Only

Transport Temperature

Refrigerate-OK/Ambient-OK

Specimen Stability

Room Temp: 72 Hours (5 Days for Folate light protected or amber vial) (48 Hours for Hematocrit); Refrigerated: 72 Hours (5 Days for Folate light protected or amber vial) (48 Hours for Hematocrit); Frozen: 30 Days (Unacceptable for hematocrit)

Rejection Criteria

Received thawed

Test Volume Required

2 mL Whole Blood

Minimum Test Volume

0.2 mL Whole Blood


CPT Codes

82747


Revised

12-16-16

Initials

SL