Generic Drug

Trade Name

Conventional Units

Factor for Conversion

SIU Units

acetaminophen

Tylenol

µg/mL

6.62

µmol/L

amikacin

µg/mL

1.71

µmol/L

amitriptyline

ng/mL

3.61

nmol/L

amobarbital

µg/mL

4.42

µmol/L

amphetamine

µg/mL

7.4

µmol/L

bromide

µg/mL

0.0125

mmol/L

caffeine

µg/mL

5.15

µmol/L

carbamazepine

Tegretol

µg/mL

4.23

µmol/L

carbenicillin

µg/mL

2.64

µmol/L

chloral hydrate

µg/mL

6.69

µmol/L

chloramphenicol

µg/mL

3.09

µmol/L

chlordiazepoxide

Librium

ng/mL

0.00334

µmol/L

chlorpromazine

Thorazine

ng/mL

3.14

nmol/L

chlorpropamide

Diabinese

µg/mL

3.61

µmol/L

cimetidine

Tagamet

µg/mL

3.96

µmol/L

clonazepam

Clonopin

ng/mL

3.17

nmol/L

clonidine

Catapres

ng/mL

4.35

nmol/L

cocaine

ng/mL

3.3

nmol/L

codeine

ng/mL

3.34

nmol/L

desipramine

Norpramin

ng/mL

3.75

nmol/L

diazepam

Valium

ng/mL

0.0035

nmol/L

digitoxin

ng/mL

1.31

nmol/L

digoxin

ng/mL

1.28

nmol/L

disulfiram

µg/mL

3.37

µmol/L

doxepin

Sinequan

ng/mL

3.58

nmol/L

ethanol

mg/dL

0.217

mmol/L

ethchlorvynol

Placidyl

µg/mL

6.92

µmol/L

ethosuximide

Zarontin

µg/mL

7.08

µmol/L

gentamicin

µg/mL

2.09

µmol/L

glutethimide

Doriden

µg/mL

4.6

µmol/L

haloperidol

Haldol

ng/mL

2.66

nmol/L

hydromorphone

Dilaudid

ng/mL

4.85

nmol/L

ibuprofen

µg/mL

4.85

µmol/L

imipramine

Tofranil

ng/mL

3.57

nmol/L

isoniazid

µg/mL

7.29

µmol/L

kanamycin

Kantrex

µg/mL

2.06

µmol/L

lidocaine

Xylocaine

µg/mL

4.27

µmol/L

lithium

mEq/L

1

mmol/L

lorazepam

ng/mL

3.11

nmol/L

LSD

µg/mL

3.09

µmol/L

meperidine

Demerol

ng/mL

4.04

nmol/L

meprobamate

mg/L

4.58

µmol/L

methadone

ng/mL

0.00323

µmol/L

methaqualone

Quaalude

µg/mL

4

µmol/L

methotrexate

ng/mL

2.2

nmol/L

methsuximide