Casandra
Casandra Test Code LC87906Version 1 (DRAFT)
Performing Lab
MHPG, 24‑Hour Urine
Also known as: 3-Methoxy-4-Hydroxyphenylglycol
Clinical Use
Order TestUse
Monitor levels of urinary 3-methoxy-4-hydroxyphenylglycol (MHPG), a metabolite of norepinephrine. Patients with either high or low levels of MHPG have demonstrated marked sleep disturbance, which may be related to unipolar depression.1
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Other
Biomarkers
3‑methoxy‑4‑hydroxyphenylglycol (MHPG)
AnalyteMHPG concentration • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Total Urine Volume
AnalyteTotal urine volume • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
LOINC Codes
Order Codes
- 21043-5
- 3167-4
- 9695-8
Result Codes
- 3167-4
- 21043-5
- 9695-8
Result Turnaround Time
10-14 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Urine
Volume
10 mL
Minimum Volume
1.5 mL
Container
Plastic urine container without preservative
Collection Instructions
24‑hour urine collection; submit an aliquot of the mixed 24‑hour specimen and record total urine volume on test request form
Storage Instructions
Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.
Causes for Rejection
Urine from preservative tube
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | <3 days |