Measurement of drug levels performed on serum or plasma can be converted between conventional (US) and SI units if the conversion factors are known.
Specimens: plasma or serum
|
Generic Drug |
Trade Name |
SIU Units |
Factor for Conversion |
Conventional Units |
|---|---|---|---|---|
|
acetaminophen |
Tylenol |
µmol/L |
0.151 |
µg/mL |
|
amikacin |
|
µmol/L |
0.585 |
µg/mL |
|
amitriptyline |
|
nmol/L |
0.277 |
ng/mL |
|
amobarbital |
|
µmol/L |
0.226 |
µg/mL |
|
amphetamine |
|
µmol/L |
0.135 |
µg/mL |
|
bromide |
|
mmol/L |
79.9 |
µg/mL |
|
caffeine |
|
µmol/L |
0.194 |
µg/mL |
|
carbamazepine |
Tegretol |
µmol/L |
0.236 |
µg/mL |
|
carbenicillin |
|
µmol/L |
0.378 |
µg/mL |
|
chloral hydrate |
|
µmol/L |
0.149 |
µg/mL |
|
chloramphenicol |
|
µmol/L |
0.323 |
µg/mL |
|
chlordiazepoxide |
Librium |
µmol/L |
300 |
ng/ml |
|
chlorpromazine |
Thorazine |
nmol/L |
0.319 |
ng/mL |
|
chlorpropamide |
Diabinese |
µmol/L |
0.277 |
µg/mL |
|
cimetidine |
Tagamet |
µmol/L |
0.252 |
µg/mL |
|
clonazepam |
Clonopin |
nmol/L |
0.316 |
ng/mL |
|
clonidine |
Catapres |
nmol/L |
0.23 |
ng/mL |
|
cocaine |
|
nmol/L |
0.303 |
ng/mL |
|
codeine |
|
nmol/L |
0.299 |
ng/mL |
|
desipramine |
Norpramin |
nmol/L |
0.267 |
ng/mL |
|
diazepam |
Valium |
nmol/L |
285 |
ng/mL |
|
digitoxin |
|
nmol/L |
0.765 |
ng/mL |
|
digoxin |
|
nmol/L |
0.781 |
ng/mL |
|
disulfiram |
|
µmol/L |
0.297 |
µg/mL |
|
doxepin |
Sinequan |
nmol/L |
0.279 |
ng/mL |
|
ethanol |
|
mmol/L |
4.61 |
mg/dL |
|
ethchlorvynol |
Placidyl |
µmol/L |
0.145 |
µg/mL |
|
ethosuximide |
Zarontin |
µmol/L |
0.141 |
µg/mL |
|
gentamicin |
|
µmol/L |
0.478 |
µg/mL |
|
glutethimide |
Doriden |
µmol/L |
0.217 |
µg/mL |
|
haloperidol |
Haldol |
nmol/L |
0.376 |
ng/mL |
|
hydromorphone |
Dilaudid |
nmol/L |
0.206 |
ng/mL |
|
ibuprofen |
|
µmol/L |
0.206 |
µg/mL |
|
imipramine |
Tofranil |
nmol/L |
0.28 |
ng/mL |
|
isoniazid |
|
µmol/L |
0.137 |
µg/mL |
|
kanamycin |
Kantrex |
µmol/L |
0.485 |
µg/mL |
|
lidocaine |
Xylocaine |
µmol/L |
0.234 |
µg/mL |
|
lithium |
|
mmol/L |
1 |
mEq/L |
|
lorazepam |
|
nmol/L |
0.321 |
ng/mL |
|
LSD |
|
µmol/L |
0.323 |
µg/mL |
|
meperidine |
Demerol |
nmol/L |
0.247 |
ng/mL |
|
meprobamate |
|
µmol/L |
0.218 |
mg/L |
|
methadone |
|
µmol/L |
309 |
ng/mL |
|
methaqualone |
Quaalude |
µmol/L |
0.25 |
µg/mL |
|
methotrexate |
|
nmol/L |
0.454 |
ng/mL |
|
methsuximide |
|
µmol/L |
0.189 |
µg/mL |
|
methyldopa |
Aldomet |
µmol/L |
0.211 |
µg/mL |
|
morphine |
|
µmol/L |
285 |
ng/mL |
|
nortriptyline |
|
nmol/L |
0.263 |
ng/mL |
|
oxazepam |
|
µmol/L |
0.287 |
µg/mL |
|
oxycodone |
Percodan |
nmol/L |
0.315 |
ng/mL |
|
paraldehyde |
|
µmol/L |
0.132 |
µg/mL |
|
pentobarbital |
Nembutal |
µmol/L |
0.2262 |
µg/mL |
|
phenacetin |
|
µmol/L |
0.179 |
µg/mL |
|
phenobarbital |
Luminal |
µmol/L |
0.232 |
µg/mL |
|
phenylbutazone |
Butazolidin |
µmol/L |
0.324 |
µg/mL |
|
phenytoin |
Dilantin |
µmol/L |
0.253 |
µg/mL |
|
primidone |
|
µmol/L |
0.218 |
µg/mL |
|
procainamide |
Pronestyl |
µmol/L |
0.236 |
µg/mL |
|
procaine |
Novocaine |
µmol/L |
0.236 |
µg/mL |
|
propoxyphene |
Darvon |
µmol/L |
0.326 |
µg/mL |
|
propranolol |
|
nmol/L |
0.259 |
ng/mL |
|
quinidine |
|
µmol/L |
0.324 |
µg/mL |
|
quinine |
|
µmol/L |
0.324 |
µg/mL |
|
salicylic acid |
|
µmol/L |
0.138 |
µg/mL |
|
secobarbital |
Seconal |
µmol/L |
0.238 |
µg/mL |
|
theophylline |
|
µmol/L |
0.18 |
µg/mL |
|
tobramycin |
|
µmol/L |
0.467 |
µg/mL |
|
valproic acid |
|
µmol/L |
0.144 |
µg/mL |
|
vancomycin |
|
mg/L |
1 |
µg/mL |
|
warfarin |
Coumadin |
µmol/L |
0.308 |
µg/mL |
ICD-10: ,
