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Critical Values - Pathology

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VCUHS <strong>Pathology</strong> Laboratories<br />

Phone: 804­828­7284 Fax: 804­628­8724<br />

Summary Table of Panic <strong>Values</strong> / <strong>Critical</strong> <strong>Values</strong> Updated 1/6/09<br />

Test Reference Ranges Test <strong>Values</strong> =<br />

unless noted<br />

BODY FLUIDS<br />

Presence of bacteria<br />

or yeast after smear<br />

confirmation<br />

Presence of blasts or<br />

neoplastic cells after<br />

smear confirmation<br />

CSF (WBC) (0­5 cells) WBC>=200mm3<br />

CHEMISTRY<br />

Calcium


HEMATOLOGY<br />

Hgb<br />

2<br />

VCUHS <strong>Pathology</strong> Laboratories<br />

Phone: 804­828­7284 Fax: 804­628­8724<br />

Summary Table of Panic <strong>Values</strong> / <strong>Critical</strong> <strong>Values</strong> Updated 1/6/09<br />

Hct<br />

(Only if Hgb is not reported)<br />

Plt<br />

WBC<br />

Peripheral Smear<br />

Findings<br />

Test Reference Ranges Test <strong>Values</strong> =<br />

unless noted<br />

=20.0 g/dL*<br />

(Except newborn infants.)<br />


VCUHS <strong>Pathology</strong> Laboratories<br />

Phone: 804­828­7284 Fax: 804­628­8724<br />

Summary Table of Panic <strong>Values</strong> / <strong>Critical</strong> <strong>Values</strong> Updated 1/6/09<br />

Test Reference Ranges Test <strong>Values</strong> =<br />

unless noted unless noted<br />

Legionella culture of No growth/Negative<br />

Positive<br />

antigen<br />

Malaria Smears Negative Positive<br />

Mycology cultures<br />

No growth<br />

Positive<br />

(from sterile sites only)<br />

Shiga Toxin antigen Negative Positive<br />

TOXICOLOGY<br />

Acetaminophen 10­20 mg/mL 100mg/mL<br />

Alcohols<br />

Aluminum<br />

Acetone Negative 1000 mg/L<br />

Ethanol Negative 4000 mg/L<br />

Isopropanol Negative 200 mg/L<br />

Methanol Negative 200 mg/L<br />

Amikacin<br />

Trough<br />

Peak<br />

Anticonvulsants<br />

3<br />

Dialysis patient60 ug/L<br />

10 mg/L<br />

40 mg/L<br />

Carbamazepine 7­12 mg/L 15 mg/L<br />

Phenobarbital 15­40 mg/L 50 mg/L<br />

Phenytoin 10­20 mg/L 40 mg/L<br />

Primidone 5­12 mg/L 15 mg/L<br />

Barbiturate Scan<br />

Amobarbital 1­5 mg/L 10 mg/L<br />

Butabarbital 1­5 mg/L 10 mg/L<br />

Butalbital 1­5 mg/L 10 mg/L<br />

Pentobarbital 1­5 mg/L 10 mg/L<br />

Secobarbital 1­2 mg/L 5 mg/L<br />

Caffeine Adults 3­15 mg/L 50 mg/L<br />

Caffeine Children 8­20 mg/L 50 mg/L<br />

Chloramphenicol<br />

Trough<br />

Peak<br />

5.0­10.0 mg/L<br />

10­20 mg/L<br />

25 mg/L<br />

25 mg/L<br />

Chlordiazepoxide 0.5­3.0 mg/L 5 mg/L<br />

Clonazepam 0.015­0.060 mg/L 0.08 mg/L<br />

Desipramine 40­160 ng/mL 400 ng/mL<br />

Digoxin 0.5­2.0 ng/mL 2.4 ng/mL<br />

Doxepin 50­100 ng/mL 400 ng/mL<br />

Ethosuximide 40­100 mg/L 150 mg/L<br />

Ethylene glycol Negative >0<br />

Gabapentin 2.0­15.0 mg/L 20 mg/L


TOXICOLOGY<br />

Gentamicin<br />

Trough<br />

Peak<br />

VCUHS <strong>Pathology</strong> Laboratories<br />

Phone: 804­828­7284 Fax: 804­628­8724<br />

Summary Table of Panic <strong>Values</strong> / <strong>Critical</strong> <strong>Values</strong> Updated 1/6/09<br />

Test Reference Ranges Test <strong>Values</strong> =<br />

unless noted<br />

0.5­2.0 mg/L<br />

5.0­10.0 mg/L<br />

2.0 mg/L<br />

12 mg/L<br />

Haloperidol 2.0­20.0 ng/mL 50 ng/mL<br />

Heavy Metals none detected any positive<br />

Ibuprofen 10­50 mg/L 200 mg/L<br />

Lidocaine 1­5 mg/L 6 mg/L<br />

Lithium Saliva 1.0­3.0 ng/dL 3.50 ng/dL<br />

Lithium RBC 0.2­0.8 ng/dL 0.9 ng/dL<br />

Methotrexate<br />

Subject to MD<br />

Interpretation<br />

Not defined<br />

N­acetyl procainamide<br />

40 mg/L<br />

(NAPA)<br />

Norchlordiazepoxide<br />

0.2­0.7 mg/L<br />

Nortriptyline 50­150 ng/mL 400 ng/mL<br />

Phenytoin Free 1­2 mg/L 4 mg/L<br />

Procainamide 4­10 mg/L 16 mg/L<br />

Quinidine 2­5 mg/L 10 mg/L<br />

Salicylate 150­250 mg/L 500 mg/L<br />

Theophylline<br />

Newborn<br />

Children/Adults<br />

Tobramycin<br />

Trough<br />

Peak<br />

8­12 mg/L<br />

10­20 mg/L<br />

25 mg/L<br />

40 mg/L<br />

0.5­1.5 mg/L<br />

5.0­10.0 mg/L<br />

12.0 mg/L<br />

12.0 mg/L<br />

Tricyclics Total 50­100 ng/mL 500 ng/mL<br />

Valproic Acid 50­100 mg/L 200 mg/L<br />

Vancomycin<br />

Trough<br />

Peak<br />

5­10 mg/L<br />

30­40 mg/L<br />

90 mg/L<br />

90 mg/L<br />

URINALYSIS<br />

Ketones negative >= 80mg/dL (4+)<br />

4

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