Tylenol; Datril; Phenacetin; Paracetamol
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Acetaminophen, Serum
Test ID: ACETA
Test
Aliases/Synonyms
Method
Enzymatic/Colormetric
Platform
Roche CobasPRO
Report Includes
Acetaminophen
Specimens
Avoid gel-separator tubes; Serum
Test Location
St. Michael's Hospital, 30 Bond Street, Toronto ON M5B 1W8
Test Version
16-Aug-2023
Specimen
Specimens
Avoid gel-separator tubes; Serum
Collection Containers
Red Top (no additive)
Sample Volume
1 mL
Minimum Volume
0.5 mL
Specimen Comment
Gel-separator tubes are not acceptable.
Collection & Handling
Handling Information
Separate within 2 hours of collection. Repeat freeze/thaw cycles should be avoided.
Stability
| Ambient | 1 day |
|---|---|
| Refrigerated | 7 days |
| Frozen | 180 days |
Rejection Criteria
| Specimen | Gel-separator tube |
|---|
Test Version
16-Aug-2023
Performance / Interpretation
Method
Enzymatic/Colormetric
Platform
Roche CobasPRO
Turnaround Time
3 days
Results
| Name | Units | Reference Range | Conversion Factor | |
|---|---|---|---|---|
| Acetaminophen | µmol/L |
|
mg/L x 6.62 | |
|
Abnormal Interpretation: Potentially toxic acetaminophen level depending on clinical context and time since last ingestion. Please refer to Rumack-Matthew nomogram if applicable (i.e., suspected single acute ingestion).
Critical Interpretation: Suggests toxicity in patients presenting ≥ 6 hours following single acute acetaminophen ingestion. Please refer to Rumack-Matthew nomogram. |
||||
Test Location
St. Michael's Hospital, 30 Bond Street, Toronto ON M5B 1W8
Test Version
16-Aug-2023
Interface / Setup
HL7 Interface Codes
| Order Code | Result Codes | Units |
|---|---|---|
| ACETA | 9306Acetaminophen | umol/L |
Test Version
16-Aug-2023