Orderable EAP code:

LAB104085

Billable EAP Codes:

80001800 x 1

CPT Codes:

84702 x 1

Lab Section:

Core Lab

Turnaround Time:

Routine: 2 Hours 

Urgent: 1 Hour

Test Schedule:

24 hours, 7 days a week. 

Units:

mIU/mL

Specimen Requirements:

4 mL blood in GREEN Top, lithium heparin tube. 

Pediatric Specimen Requirements:

0.5 mL blood in a 1.0 mL GREEN Top, lithium heparin tube.

Reference Range:

The use of this assay as a tumor marker has been established by OHSU. No reference ranges are established for Beta hCG, when used as a tumor marker.

Comments:

This test was developed, and its performance characteristics determined by OHSU Core Lab. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Synonyms:

Beta HCG Tumor Marker Test

Orderable EAP code:

LAB00088

Billable EAP Codes:

80001746 x1 (0,1,2 HR) 80001747 x1 (3 HR)

CPT Codes:

82951 (0,1,2 HR) 82952 (3 HR)

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:

<54 mg/dL, >500 mg/dL

Specimen Requirements:

2 mL blood in a GRAY top tube. 

Ship and Store 15-25 °C for up to 72 hours

Reference Range:

Fasting:  <96 mg/dL

1 Hour: <180 mg/dL

2 Hour: <155 mg/dL

3 Hour: <140 mg/dL

Synonyms:

GTT

Glucose Tolerance

Orderable EAP code:

LAB103880

Billable EAP Codes:

80001723 x 1 (if Arterial) 80001721 x 1 (if Venous) 80001724 x 1 (if Mixed Venous) 80001722 x 1 (if Capillary) 80005487 x 1 80001807 x 1 80001753 x 1 80001708 x 1 80001806 x 1 80001805 x 1 80001731 x 1 80001703 x 1 80001754 x 1

CPT Codes:

82805 x 1 (if Arterial) 82805 x 1 (if Venous) 82805 x 1 (if Mixed Venous) 82805 x 1 (if Capillary) 80051 x 1 85018 x 1 83050 x 1 83275 x 1 85018 x 1 85018 x 1 82947 x 1 82330 x 1 83605 x 1

Lab Section:

Core Lab

Includes:

pH, pCO2, pO2, HCO3, Total CO2, Total Hemoglobin, Oxyhemoglobin, Carboxyhemoglobin, Methemoglobin, Oxygen Saturation, Deoxyhemoglobin, Glucose, Lactate, Sodium, Potassium, Chloride, and Ionized Calcium.

Turnaround Time:

Routine:15 Minutes

Urgent: 15 Minutes

Extreme Emergency: 15 Minutes

Test Schedule:

24 hours, 7 days a week.

Critical Values:

Reference Range and Critical Values 

Test	Sample Source if applicable	Reference Range	Critical Limits
pH
0 to 2 months	Arterial	7.30 to 7.50	Less than or equal to 7.10
Over 2 months	Arterial	7.37-7.44
	Venous	7.35 to 7.45
	Capillary-Neonate only	7.30 to 7.50	Less than or equal to 7.25
			Greater than or equal to 7.55
	Mixed Venous	7.32 to 7.41
pCO2
0 to 2 months	Arterial	30 to 65 mmHg
Over 2 months	Arterial	32 to 43 mmHg
	Venous	35 to 50 mmHg
	Capillary-Neonate only	30 to 69 mmHg	Less than or equal to 20 mmHg
			Greater than or equal to 70 mmHg
	Mixed Venous	45 to 52 mmHg
pO2
0 to 2 months	Arterial	50 to 75 mmHg
2 months to 40 years	Arterial	83 to 108 mmHg
Over 40 years	Arterial	72 to 104 mmHg
	Venous	30 to 55 mmHg
	Capillary-Neonate only	40 to 50 mmHg	Less than or equal to 35 mmHg
	Mixed Venous	35 to 40 mmHg
HCO3	Arterial	21 to 28 mmol/L
	Venous	22 to 28 mmHg
	Mixed Venous	24 to 28 mmol/L
Total CO2	Arterial	22 to 28 mmol/L
	Venous	23 to 29 mmol/L
PaO2/FIO2 Ratio		Greater than 300 mmHg
Base Excess	Arterial	-2 to 2
	Venous	-3 to 3
O2Sat
0 to 1 month	Arterial	40 to 90%
1 month -150 years	Arterial	92 to 98%
Oxyhemoglobin		95 to 98%
Carboxyhemoglobin
Non-smokers		Less than 1.6%	Greater than 20%
Smokers  1 to 2 packs/day		4 to 5%
Smokers  2 or more packs/day		8 to 9%
Methemoglobin		Greater than 1.5%
Deoxyhemoglobin	Arterial Only	2.0% or less	2
Sodium, Whole Blood		134 to 143 mmol/L	Less than or equal to 120 or greater than or equal to 160 mmol/L
Potassium, Whole Blood		3.4 to 5.0 mmol/L	Less than or equal to 2.5 or greater than or equal to 6.0
Chloride, Whole Blood		97 to 108 mmol/L
Ionized Calcium	Measured	1.14 to 1.32 mmol/L	Less than or equal to 0.75 or greater than or equal to 1.62 mmol/L
	Calculated (at pH of 7.4)	1.14 to 1.28 mmol/L
Glucose, Whole Blood
0 to 1 day		41 to 60 mg/dL	Less than 41 or greater than 299 mg/dL
1 day to 150 years		60 to 99 mg/dL	Less than or equal to 54 and greater than 499 mg/dL
Lactate		0.2 to 2.0 mmol/L	Greater than 2.0 mmol/L
Hemoglobin g/dL
Age	Male	Female	Critical Values
0 to 30 days	10.0 to 18.0	10.0 to 18.0
1 to 6 months	9.5 to 14.0	9.5 to 14.0	Less than 6.6 or greater than or equal to 20.0 g/dL
6 months to 2 years	10.5 to 13.5	10.5 to 13.5
2 to 6 years	11.5 to 13.5	11.5 to 13.5
6 to 12 years	11.5 to 15.5	11.5 to 15.5
12 to 18 years	13.0 to 16.0	12.0 to 16.0
18 to 150 years	13.5 to 17.5	12.0 to 16.0

Specimen Requirements:

1 mL of whole blood collected in a heparinized syringe.

Send on ice within 20 minutes. 

Pediatric Specimen Requirements:

0.3 mL whole blood collected in a heparinized syringe.

Send on ice within 20 minutes. 

Synonyms:

Blood Gases

Co-ox

ABG

VBG

CBG

Orderable EAP code:

LAB102673

Billable EAP Codes:

80001870 x 1

CPT Codes:

87086 x 1

Lab Section:

Core Lab

Turnaround Time:

Routine: 48 Hours

Urgent: 48 Hours

Test Schedule:

7 days a week

Specimen Requirements:

12 mL urine in a sterile container. 

Stable for 2 hours at room temperature or 24 hours refrigerated.

Pediatric Specimen Requirements:

1 mL urine in a sterile container.

Stable for 2 hours at room temperature or 24 hours refrigerated.

Orderable EAP code:

LAB103861

Billable EAP Codes:

80001703 x 1

CPT Codes:

82330 x 1

Lab Section:

Core Lab

Turnaround Time:

Routine: 30 Minutes

Urgent: 15 Minutes

Extreme Emergency: 15 Minutes

Test Schedule:

24 hours, 7 days a week.

Units:

mmol/L

Specimen Requirements:

1 mL blood in a heparinized syringe OR one full GREEN top (sodium or lithium heparin) tube.

Pediatric Specimen Requirements:

0.3 mL blood in a heparinized syringe OR 0.6 mL blood in a pediatric GREEN top (sodium or lithium heparin) tube.

Comments:

Stability: Whole blood up to 4 hours at room temperature.

Synonyms:

Ca

ICA

Ionized Calcium

Post filter

Orderable EAP code:

LAB103796

Billable EAP Codes:

80005610 x 1

CPT Codes:

80307 x 1

Lab Section:

Core Lab

Turnaround Time:

Routine: 2 Hours 

Urgent: 1 Hour

Test Schedule:

24/7

Interpretation:

Negative

Specimen Requirements:

6 ml fresh urine.

Reference Range:

Negative

Orderable EAP code:

LAB103661

Billable EAP Codes:

80005611 x 1

CPT Codes:

86022 x 1

Lab Section:

Core Lab

Includes:

Preliminary positives are reflexed to Serotonin Release Assay (Heparin Dependent Platelet Antibody), Unfractionated Heparin at ARUP.

Link to ARUP Test Directory (Opens in a new window) for the SRA confirmation reflex test.

Turnaround Time:

Routine: 2 Hours

Urgent: 1 Hour

Test Schedule:

Batched daily 7 days per week. Please call 503-494-5764 if STAT.

Critical Values:

Preliminary Positive, Confirmation Pending

Specimen Requirements:

One 2.7 mL Lt Blue Na Citrate tube and one 5 mL Gold SST tube.

Pediatric Specimen Requirements:

One 1.3 mL Lt Blue Na Citrate tube and two pediatric red top tubes.

Reference Range:

HIT Ab Negative

Comments:

Method: Immunoturbidimetric detection of anti-PF4/Heparin (PF4/H) antibodies.

Interferences:

The HIT Ab assay is not affected by hemoglobin up to 500 mg/dL, bilirubin up to 19 mg/dL, triglycerides up to 375 mg/dL, rheumatoid factor up to 100 IU/mL and human anti-mouse antibodies (HAMA) up to 1 microgram/mL.

No dose-response correlation between HIT results and heparin concentrations was shown in manufacturer studies; UFH (n=11) range from 0.04-1.08 IU/mL and LMWH (n=115) range from 0-2.47 IU/mL.

Testing on 40 samples from patients diagnosed with Antiphospholipid Syndrome (APS) showed no HIT Ab positive results indicating that the assay is not affected by APS antibodies.

Synonyms:

Heparin Induced Thrombocytopenia Antibody

Orderable EAP code:

LAB00487

Billable EAP Codes:

80005561 x 1

CPT Codes:

80204 x 1

Lab Section:

Core Lab

Turnaround Time:

4 Hours

Test Schedule:

24 hours, 7 days.

Units:

micromoles/L

Specimen Requirements:

4 mL of blood in a RED top tube. Avoid exposure to light.

Reference Range:

Therapeutic Range

Low dose: 0.5 to 1.0 micromoles/L

High dose, 24 hours: Less than or equal to 5.0 micromoles/L

High dose, 48 hours: Less than or equal to 0.5 micromoles/L

High dose, 72 hours: Less than or equal to 0.10 micromoles/L

Comments:

This assay shows cross reactivity with DAMPA (2,4-Diamino-N10-methylpteroic acid). 

Specimens from patients who have received glucarpidase (carboxypeptidase G2) as a high dose methotrexate rescue therapy should not be tested with the EMIT Methotrexate assay. These specimens have increased serum levels of metabolite (DAMPA) that cross-reacts with the methotrexate antibody used in the assay. 

Synonyms:

Methopterin

Mexate

MTX

Orderable EAP code:

LAB00032

Billable EAP Codes:

80003571 x 1 80001416 x 1

CPT Codes:

83540 x 1 84466 x 1

Lab Section:

Core Lab

Includes:

Transferrin

Turnaround Time:

Routine: 2 Hours

Urgent: 1 Hour

Test Schedule:

24 hours, 7 days a week.

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.

Orderable EAP code:

LAB101393

Billable EAP Codes:

80003573 x 1

CPT Codes:

83880 x 1

Lab Section:

Core Lab

Turnaround Time:

Routine: 3 Hours

Urgent: 3 Hours

Test Schedule:

24 hours, 7 days a week. 

Units:

pg/mL

Specimen Requirements:

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

Plasma samples are stable for 3 days at 2 to 8 degrees C. Samples can be stored for up to 12 months at -20 degrees C (or below).

Reference Range:

	Method	EXL200A Core		Valid Checking	5-35,000pg/mL
	Age	0 up to 75 Years		Abnormality-Abnormal	>125 pg/mL
				Reference Range	<=125 pg/mL
	Method	EXL200A Core		Valid Checking	5-35,000pg/mL
	Age	75 up to 150 Years		Abnormality-Abnormal	>=449 pg/mL
				Reference Range	<449 pg-mL
	Method	EXL200B Core		Valid Checking	5-35,000pg/mL
	Age	0 up to 75 Years		Abnormality-Abnormal	>125 pg/mL
				Reference Range	<=125 pg/mL
	Method	EXL200B Core		Valid Checking	5-35,000pg/mL
	Age	75 up to 150 Years		Abnormality-Abnormal	>=449 pg/mL
				Reference Range	<449 pg-mL
	Method	STRATUS CS Core		Valid Checking	>=15 pg/mL
	Age	0 up to 75 Years		Abnormality-Abnormal	>125 pg/mL
				Reference Range	<=125 pg/mL
	Method	STRATUS CS Core		Valid Checking	>=15 pg/mL
	Age	75 up to 150 Years		Abnormality-Abnormal	>=449 pg/mL
				Reference Range	<449 pg/mL
	Method	Unspecified		Valid Checking	>=5 pg/mL
	Age	0 up to 75 Years		Abnormality-Abnormal	>=125 pg/mL
				Reference Range	<125 pg/mL
	Method	Unspecified		Valid Checking	>=5 pg/mL
	Age	75 up to 150 Years		Abnormality-Abnormal	>=449 pg/mL
				Reference Range	<449 pg/mL

Synonyms:

BNP

BRAIN NATIURETIC PEPTIDE

B-Type Natriuretic Peptide

N Terminal proBNP

NT Pro BNP

NTB

NT-Pro B-Type Natriuretic Peptide

ProBNP