Orderable EAP code:

LAB00076

Billable EAP Codes:

80001707 x 1

CPT Codes:

82375 x 1

Lab Section:

Core Lab

Turnaround Time:

Routine: 30 Minutes

Urgent: 30 Minutes

Extreme Emergency: 15 Minutes

Test Schedule:

24 hours, 7 days a week.

Units:

%

Critical Values:

Greater than 20%

Specimen Requirements:

1 mL blood in a heparinized syringe.

Pediatric Specimen Requirements:

0.6 mL blood in a 1.0 mL heparinized syringe.

Reference Range:

Non-smoker, adult: 0.5 to 1.5%

Smoker, adult: 1.5 to 5.0%

Heavy smoker, adult: As high as 10%

Newborn: As high as 10 to 12%, due to increased Hb turnover combined with a less developed respiratory system.

Comments:

Specimen stability: up to 2 hours on ice.

Synonyms:

Carbon Monoxide

CO

COHB

Orderable EAP code:

LAB00162

Billable EAP Codes:

80005556 x 1

CPT Codes:

80161 x 1

Lab Section:

Core Lab

Turnaround Time:

Routine: 2 Hours

Urgent: 1 Hour

Test Schedule:

24 hours, 7 days a week.

Units:

mcg/mL

Critical Values:

Greater than or equal to 15 mcg/mL

Specimen Requirements:

4 mL blood in a GREEN top, lithium heparin tube.

Do not collect into tubes that contain gel separator.

Pediatric Specimen Requirements:

0.5 mL in a 1.0 mL GREEN top, lithium heparin tube.

Do not collect into tubes that contain gel separator.

Reference Range:

4 to 12 mcg/mL (Therapeutic)

Synonyms:

Tegretol

Orderable EAP code:

LAB00572

Billable EAP Codes:

80001663 x 1

CPT Codes:

80307 x 1

Lab Section:

Core Lab

Includes:

Cannabinoids

Turnaround Time:

Routine: 2 Hours

Urgent: 1 Hour with verbal request

Test Schedule:

24 hours, 7 days a week.

Specimen Requirements:

6 mL urine cup.

Pediatric Specimen Requirements:

6 mL urine in sample cup or in 10 mL RED top tube.

Reference Range:

Negative

Comments:

Cannabinoids detected in urine at levels greater than or equal to 50 ng/mL considered "positive."

"Positive" results are not confirmed by alternate method. See: Summary of Compounds that may be detected by OHSU Drugs of Abuse Screening Methods. (Opens in a new window)

Synonyms:

Cannabinoids

Drugs of Abuse, Drug Screen

Marijuana

THC

Urine Drug Screen

Orderable EAP code:

LAB00009

Billable EAP Codes:

80001704 x 1

CPT Codes:

82340 x 1

Lab Section:

Core Lab

Turnaround Time:

Routine: 1 Days

Urgent: N/A

Test Schedule:

24 hours, 7 days a week.

Units:

mg/col time

Critical Values:

None

Specimen Requirements:

Total collection, 24 hr urine container. Refrigerate during collection.

0.5 mL in a 4 mL RED top tube or urine sample cup for random/spot requests.

Pediatric Specimen Requirements:

0.5 mL in a 4 mL RED top tube or urine sample cup for random/spot requests.

Reference Range:

Normal Calcium Diet	Low Calcium Diet
100 - 300 mg/day	50 - 150 mg/day

Synonyms:

Ca

Electrolytes

Orderable EAP code:

LAB00008

Billable EAP Codes:

80001702 x 1

CPT Codes:

82310 x 1

Lab Section:

Core Lab

Turnaround Time:

Routine: 2 Hours

Urgent: 1 Hour

Test Schedule:

24 hours, 7 days a week.

Units:

mg/dL

Critical Values:

Less than or equal to 7.0 mg/dL.

Greater than or equal to 13.0 mg/dL.

Specimen Requirements:

4 mL blood in a GREEN top, lithium heparin tube.

Pediatric Specimen Requirements:

0.5 mL in a 1.0 mL GREEN top, lithium heparin tube.

Reference Range:

Up to 7 days old	7.5 to 10.5 mg/dL
7 days to 150 years old	8.6 to 10.2 mg/dL

Synonyms:

Ca

Electrolytes

Orderable EAP code:

LAB00064

Billable EAP Codes:

80001721 x 1

CPT Codes:

82805 x 1

Lab Section:

Core Lab

Turnaround Time:

Routine: 30 minutes

Urgent: 30 minutes

Extreme Emergency: 15 minutes

Test Schedule:

24 hours, 7 days a week.

Critical Values:

None

Specimen Requirements:

1 mL blood-venous heparinized syringe.

Stability: Whole blood up to 30 minutes at room temperature, and up to 1 hour on ice.

Pediatric Specimen Requirements:

0.3 mL in a 1 mL heparinized syringe

Reference Range:

pH	7.35 to 7.45
PCO2	35 to 50 mmHg
PO2	30 to 55mmHg
HCO3	22 to 28mmHg
Base Excess	-3 to 3
Total CO2	23 to 29 mmol/L

Comments:

Deliver to lab immediately. For manual transport, deliver on ice.

Synonyms:

pCO2

pO2

VBG

Orderable EAP code:

LAB00111

Billable EAP Codes:

80001724 x 1

CPT Codes:

82805 x 1

Lab Section:

Core Lab

Turnaround Time:

Routine: 30 minutes

Urgent: 30 minutes

Extreme Emergency: 15 minutes

Test Schedule:

24 hours, 7 days a week.

Critical Values:

None

Specimen Requirements:

1 mL of mixed venous blood in a heparinized syringe.

Stability: Whole blood up to 30 minutes at room temperature, and up to 1 hour on ice.

Pediatric Specimen Requirements:

0.3 mL in a 1 mL heparinized syringe. Deliver to lab immediately.

Reference Range:

Component	Reference Range
pH	7.32 to 7.41
PCO2	45 to 52 mmHg
PO2	35 to 40 mmHg
HCO3	24 to 28 mmol/L

Comments:

Deliver to lab immediately. For manual transport, deliver on ice.

Orderable EAP code:

LAB101853 (Arterial), LAB101854 (Venous)

Billable EAP Codes:

80001725 x 1

CPT Codes:

82805 x 1

Lab Section:

Core Lab

Turnaround Time:

Routine: 30 minutes

Urgent: 30 minutes

Extreme Emergency: 15 minutes

Test Schedule:

24 hours, 7 days a week.

Critical Values:

Arterial:

pH: Less than 7.1

PCO2: Greater than 70 mmHg



Venous:

pH: Less than 7.2

PCO2: Greater than 55 mmHg

Specimen Requirements:

1 mL of cord blood in a heparinized syringe.

Stability: Whole blood up to 30 minutes at room temperature, and up to 1 hour on ice.

Pediatric Specimen Requirements:

0.3 mL in a 1 mL heparinized syringe. Deliver to lab immediately.

Reference Range:

Component	Venous Cord Blood	Arterial Cord Blood
pH	7.21 to 7.45	7.10 to 7.38
PCO2	27 to 55mmHg	33 to 73mmHg
PO2	14 to 44mmHg	5 to 32 mmHg
BaseExcess	No range has been established	-8 to 1
HCO3-	12 to 29	17 to 27
tCO2	No range has been established	No range has been established
O2Sat	No range has been established	No range has been established

Comments:

Deliver to lab immediately. For manual transport, deliver on ice.

Orderable EAP code:

LAB00065

Billable EAP Codes:

80001722 x 1

CPT Codes:

82805 x 1

Lab Section:

Core Lab

Turnaround Time:

Routine: 30 minutes

Urgent: 30 minutes

Extreme Emergency: 15 minutes

Test Schedule:

24 hours, 7 days a week.

Specimen Requirements:

1 mL blood in heparinized syringe.

Stability: Whole blood up to 30 minutes at room temperature, and up to 1 hour on ice.

Pediatric Specimen Requirements:

0.3 mL in a capillary tube. Tube must be filled to end.

Reference Range:

Reference Range (applies to neonate samples only)	Critical Limits
pH: 7.30 to 7.50	less than or equal to 7.25  greater than or equal to 7.55
PCO2: 30 to 69 mmHg	less than or equal to 20 mmHg  greater than or equal to 70 mmHg
PO2: 40 to 50 mmHg	less than or equal to 35 mmHg
HCO3: none available
TotalCO2: none available

Comments:

Deliver to lab immediately. For manual transport, deliver on ice.

Synonyms:

CBG

pCO2

pO2

Orderable EAP code:

LAB00068

Billable EAP Codes:

80001723 x 1

CPT Codes:

82805 x 1

Lab Section:

Core Lab

Includes:

pH, pC02, p02, HC03, Total C02

Turnaround Time:

Routine: 30 minutes

Urgent: 30 minutes

Extreme Emergency: 15 minutes

Test Schedule:

24 hours, 7 days a week.

Specimen Requirements:

1 mL blood in an arterial heparinized syringe.

Stability: Whole blood up to 30 minutes at room temperature, and up to 1 hour on ice.

Pediatric Specimen Requirements:

0.3 mL in a 1 mL heparinized syringe. Deliver to lab immediately.

Reference Range:

	Reference Range	Critical Limits
PH:
0 to 2 months	7.30 to 7.50	Less than or equal to 7.10
Over 2 months	7.37 to 7.44
PCO2:
0 to 2 months	30 to 65 mmHg
Over 2 months	32 to 43 mmHg
PO2:
0 to 2 months	50 to 75 mmhg
2 months to 40 years	83 to 108 mmhg
Over 40 years	72 to 104 mmHg
HC03:
No age limit	21 to 28 mmol/L
Total CO2:
No age limit	22 to 28 mmol/L
PaO2/FIO2Ratio:
No age limit	Greater than 300 mmhg
Base Excess:
No age limit	-2 to 2
O2Sat:
0 to 1 month	40 to 90%

Comments:

Deliver to lab immediately. For manual transport deliver on ice.

Synonyms:

ABG

CO2 Total, whole blood

Carbon Dioxide, whole blood

pCO2

pO2