UCSF Navigation Bar

UCSF Departments of Pathology & Laboratory Medicine Home Page

Lab Manual for UCSF Clinical Laboratories

Lab Manual for SFGH

Internal Resources

Click here for more information about laboratory operations and procedures

If you have additional questions regarding this test, please call: 415-353-1667

Search Our Test Menu


Item Value
Approval req'd? No
Available Stat? No
Test code PALA
Performed by Quest
Sendout? Yes
Method IEC
Patient Preparation Fasting for 4 hours prior to sample collection is recommended.
Container type Dark Green top
Amount to Collect 4 mL blood
Sample type Heparinized plasma
Preferred volume 2 mL plasma
Min. Volume 0.5 mL plasma
Processing notes Freeze plasma at -20C. Order Quest # 37356
Units µmol/L
Normal range
≤ 30 days 30-79 µmol/L
31 days-23 months 31-92 µmol/L
2-18 years 38-86 µmol/L
> 18 years 40-74 µmol/L
Stability Room temperature unacceptable, refrigerated 1 week, frozen at -20C 1 month
Turn around times Set up 5x per week Turnaround time: 2-4 days
Additional information To convert result to mg/dL, multiply result in µmol/L x 0.0165
CPT coding 84030-90
LOINC code 14875-9
Last Updated 10/2/2010 11:52:25 AM
Entry Number 736
UCSF home page UCSF home page About UCSF Search UCSF UCSF Medical Center