| Parameter | Age | Toxic Level | Units |
| Acetaminophen | >150 (۴ hours after dose)
>40 (۱۲ hours after dose) |
μg/mL | |
| Carbamazepine | >15 | μg/mL | |
| Dogoxin | >3
(Non-cardiac symptoms such as tiredness, muscle weakness, nausea, vomiting, lethargy, and headache and cardiac symptoms such as sinus arrhythmia, bradycardia, and various degrees of AV block) |
ng/ml | |
| Ethanol | >65 | mmol/L | |
| Ethosuximide | >150 | μg/mL | |
| Lead, Blood | (۰-۱۵ yrs)
(≥۱۶ yrs) |
≥۴۵
≥۷۰ |
μg/dL |
| Lead, Urine | ≥۱۰۰۰ | μg/L | |
| Lithium | >2 | mEq/L | |
| Methanol | Any value detected | mg/dL | |
| Phenobarbital | (۰ -۳ months)
(۳ months-adult) |
>35
>40 |
μg/mL |
| Phenylalanin | (New born)
(Pediatric) |
>205
>100 |
µmol/L |
| Phenytoin, Free | >3 | μg/mL | |
| Phenytoin (Dilantin), Total | (۰ -۳ months)
(۳ months-adult) |
>14
>30 |
|
| Primidone | >15 | μg/mL | |
| Salicylate(Aspirin) | >30 | mg/dL | |
| Valporic Acid(VPA), Total | >150 | μg/mL |
References
- ARUP Laboratories
- Stanford Anatomic Pathology & Clinical Laboratories
- Mayo Medical Laboratories
- Department of LABORATORY MEDICINE, University of Washington.
- Thomas L. Critical limits of laboratory results for urgent clinician notification. EJIFCC. 2003;14:1-8.
- Emancipator K. Critical values: ASCP practice parameter. American journal of clinical pathology. 1997 Sep 1;108(3):247-53.
- McFarlane A, Aslan B, Raby A, Bourner G, Padmore R. Critical values in Hematology. International journal of laboratory hematology. 2015 Feb 1;37(1):36-43.