Acetaminophen
Test Mnemonic
ACETM
CPT Codes
- 80143 - QTY (1)
LOINC ®
3298-7
Aliases
- Datril
- Panadol
- Tylenol
Performing Laboratory
Cleveland Clinic Laboratories
FDA Category
In Vitro Diagnostic
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Plasma | Lithium heparin (Green) | Refrigerated | Do not collect in a gel separator tube. Centrifuge and transfer plasma/serum to a CCL tube and refrigerate. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Plasma | EDTA (Lavender) | Refrigerated | Do not collect in a gel separator tube. Centrifuge and transfer plasma/serum to a CCL tube and refrigerate. | |
| 1 mL | Serum | No additive (Red) | Refrigerated | Do not collect in a gel separator tube. Centrifuge and transfer plasma/serum to a CCL tube and refrigerate. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | After separation from cells: 24 hours |
| Refrigerated | After separation from cells: 7 days |
| Frozen | After separation from cells: 6 months |
Days Performed
Sun - Sat
Turnaround Time
8 hours
Methodology
| Name | Description |
|---|---|
| Colorimetry |
Reference Range
| Acetaminophen | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Years | 99 Years | Normal | 10 - 30 | ug/mL | Years | 99 Years | Urgent | >150 (4 hrs post ingestion) | ug/mL |
Special Info
Do not collect in a gel separator tube.
Clinical Info
The Rumack-Matthew nomogram can be used to estimate the probability of hepatotoxicity via the relationship of plasma acetaminophen concentration to the post-ingestion interval (Rumack and Matthew. Pediatrics. 1975; 55:871-876 and Rumack et al. Arch Intern Med. 1981; 141: 380-385).