Blood Gases, Comprehensive

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

Culture, Urine Pregnancy

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.

Calcium, Ionized Post Filter

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

Fentanyl, Urine Qualitative Screen

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

HIT Antibody with Reflex to SRA Confirmation

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

Methotrexate

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

Iron and TIBC (including Transferrin)

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.

NT-Pro BNP

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

High Sensitivity Troponin-I

Orderable EAP code:

LAB103455 (Random), Order Set O274414 (IP Panel or Random), Order Set O274416 (ED Panel or Random)

Billable EAP Codes:

80001794 x 1 (Random)
80001794 x 2 (IP Panel and ED Panel)

CPT Codes:

84484 x 1 (Random)
84484 x 2 (IP Panel and ED Panel)

Lab Section:

Core Lab

Turnaround Time:

Routine: 1 Hour
Urgent: 1 Hour

Test Schedule:

24 hours, 7 days a week.

Units:

ng/L

Critical Values:

Female: greater than 75 ng/L
Male: greater than 100 ng/L
Unspecified: greater than 75 ng/L

Related Links:

Specimen Requirements:

4 mL blood in a GREEN lithium or sodium heparin tube ONLY.

Pediatric Specimen Requirements:

Only Lithium Heparin GREEN top peds tube is OK. RED top peds tube is NOT ACCEPTABLE.

Comments:

All troponins outside OHSU or in the ambulatory setting will be one-time, random high sensitivity troponin draws.

For OHSU IP and ED patients, random troponins are limited to the following clinical scenarios and populations:
o    Known pericarditis
o    Toxic drug monitoring
o    Known pulmonary embolism
o    Pediatrics
o    Ambulatory

Synonyms:

Troponin-I, HS Random
Troponin-I, HS Panel (0,2 Hr)

Blood Culture ID Panel PCR

Orderable EAP code:

LAB103116

Billable EAP Codes:

80005607 x 1

CPT Codes:

87150 x 1

Lab Section:

Core Lab

Includes:

Enterococcus faecalis
Enterococcus faecium
Listeria monocytogenes
Staphylococcus
Staphylococcus aureus
Staphylococcus epidermidis
Staphylococcus lugdunensis
Streptococcus
Streptococcus agalactiae (Group B)
Streptococcus pneumoniae
Streptococcus pyogenes (Group A)
Acinetobacter calcoaceticus-baumanii complex
Bacteroides fragilis
Enterobacterales
Enterobacter cloacae complex
Escherichia coli
Klebsiella aerogenes
Klebsiella oxytoca
Klebsiella pneumoniae group
Proteus
Salmonella
Serratia marcescens
Haemophilus influenzae
Neisseria meningitidis
Pseudomonas aeruginosa
Stenotrophomonas maltophilia
Candida albicans
Candida auris
Candida glabrata
Candida krusei
Candida parapsilosis
Candida tropicalis
Cryptococcus neoformans/gattii
CTX-M (ESBL resistance)
IMP (carbapenemase resistance)
KPC (carbapenem-resistance gene)
mcr-1 (colistin resistance)
mecA/C (methicillin-resistance gene)
mecA/C and MREJ (MRSA) resistance
NDM (carbapenemase resistance)
OXA-48-like (carbapenemase resistance)
van A/B (vancomycin-resistance gene)
VIM (carbapenemase resistance)

Turnaround Time:

Routine: 2 Hours
Urgent: 2 Hours

Specimen Requirements:

Blood culture vials

Synonyms:

BCID
Blood Culture Pathogen Panel PCR

Subscribe to Core Lab