Amylase Isoenzymes
Test Mnemonic
AMYISO
CPT Codes
- 82150 - QTY (2)
Includes
- Pancreatic,salivary
- total amylase
Performing Laboratory
ARUP
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | SST (Gold) | Refrigerated | Allow serum to clot completely at room temp. Separate serum from cells ASAP (within 2 hours of collection). |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Plasma | EDTA (Lavender) | Refrigerated | Remove plasma ASAP (within 2 hours of collection). | |
| 1 mL | Plasma | Lithium heparin PST (Lt. Green) | Refrigerated | Remove plasma ASAP (within 2 hours of collection). |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | After separation from cells: 1 week |
| Refrigerated | After separation from cells: 1 month |
| Frozen | After separation from cells: 1 month |
Days Performed
Sun - Sat
Turnaround Time
2 - 3 days
Methodology
| Name | Description |
|---|---|
| Enzymatic |
Reference Range
| Pancreatic amylase | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| 6 Months | 35 Months | Normal | 2 - 28 | U/L | 3 Years | 6 Years | Normal | 8 - 34 | U/L | 7 Years | 17 Years | Normal | 9 - 39 | U/L | 18 Years | 99 Years | Normal | 12 - 52 | U/L |
| Salivary amylase | |||||
| Sex | Age From | Age To | Type | Range | Range Unit |
| > 17 months: 9 - 86 U/L | |||||
| Total amylase | |||||
| Sex | Age From | Age To | Type | Range | Range Unit |
| 3 Days | 90 Days | Normal | 0 - 30 | U/L | 3 Months | 6 Months | Normal | 7 - 40 | U/L | 7 Months | 8 Months | Normal | 7 - 57 | U/L | 9 Months | 11 Months | Normal | 11 - 70 | U/L | 12 Months | 17 Months | Normal | 11 - 79 | U/L | 18 Months | 35 Months | Normal | 19 - 92 | U/L | 3 Years | 4 Years | Normal | 26 - 106 | U/L | 5 Years | 12 Years | Normal | 30 - 119 | U/L | 13 Years | 99 Years | Normal | 30 - 110 | U/L |
Special Info
Hemolyzed specimens are unacceptable.
Clinical Info
Salivary amylase is calculated as the difference between the total and pancreatic amylase.