5-Methyltetrahydrofolate

Label Mnemonic:	5MTHF
Epic code:	LAB5823
Downtime form:	A-1a Doctor/Provider Orders - Pathology Core and Specialty Care Nursery

Commercial Mailout Laboratory
6240-8 RCP
356-8593

Specimen(s):

CSF

Specimen Instructions:

Collect in: CSF in 5 tube Neurochemistry Collection Kit. Total volume of CSF is 4.5 mL.

Call Specimen Control at 356-3527 or Commercial Mailouts at 356-8593 for collection kits.

CSF should be collected directly from the tap needle: Collect from the first drop into the containers in the order indicated. Fill each tube to the marked line (0.5 milliliters in tube #1 and 1.0 milliliter in tube 2, 3, 4 & 5).

Attach patient identifier to collection kit bag. Place on ice and deliver to laboratory immediately.

Collection Medium:

5-Tube CSF Collection Kit

Minimum:

4.5 mL CSF in the 5 tube Neurochemistry collection kit

Delivery Instructions:

Keep on ice and deliver to laboratory immediately.

Turn Around Time:

2 weeks upon receipt at reference laboratory

Reference Range:

Age (years)   (nmol/L)
  0-0.2        40-240
  0.2-0.5      40-240
  0.5-2.0      40-187
  2.0-5.0      40-150
  5.0-10       40-128
  10-15        40-120
  Adults       40-120

Interpretive Data:

Marker for cerebral folate deficiency syndromes.

Comments:

This collection kit can also be shared with NEUROTRANSMITTER METABOLITES (LAB5825), NEOPTERIN ON CSF (LAB5824), PYRIDOCAL 5-PHOSPHATE ON CSF (LAB5828) and TETRAHYDROBIOPTERIN & NEOPTERIN (LAB5826).

Please print, complete and submit to the lab, the Neurochemistry and Metabolic Test Request Form from MNG Laboratories, with the specimen.

Methodology:

Analyte Quantitation

CPT Code:

82542

See Additional Information:
Specimens Requiring Immediate Delivery