24 hours after setup at PeaceHealth Laboratories’ reference lab.
CPT Code:
82150-90 x2
Specimen Collection Details
Collection:
One 7.5 mL serum separator tube (SST). Also acceptable: One 4.5 light green top plasma separator tube (PST), one 4 mL lavender top tube, or one 4 mL green top tube (heparin).
Handling:
Allow to clot completely at ambient temperature, centrifuge and separate serum or plasma from cells as soon as possble. Refrigerate.
Stability:
Specimen stable 7 days ambient, 30 days refrigerated, or 1 month frozen.
Standard Volume:
1 mL serum or plasma.
Minimum Volume:
0.5 mL serum or plasma.
Transport:
Refrigerated.
Rejection Criteria:
Hemolysis.
Component
Age
Reference Interval
Pancreatic amylase
6-35 months
2-28 U/L
3-6 years
8-34 U/L
7-17 years
9-39 U/L
18 years and older
12-52 U/L
Salivary amylase
18 months and older
9-86 U/L
Total amylase
3-90 days
0-30 U/L
3-6 months
7-40 U/L
7-8 months
7-57 U/L
9-11 months
11-70 U/L
12-17 months
11-79 U/L
18-35 months
19-92 U/L
3-4 years
26-106
5-12 years
30-119 U/L
13 years and older
30-110 U/L
Salivary amylase is calculated as the difference between the total and pancreatic amylase.