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