iSTAT Tests

EG7+: Na, K, Ca, Hgb/hematocrit, Blood Gas (pH, pCO2, pO2, TCO2, HCO3, base excess, sO2)

CG4+: Lactate, Blood gas(pH, pCO2, pO2, TCO2, HCO3, base excess, sO2)

CHEM8+: Na, K, Cl, CO2, AG (Ref range "10-20"), Ionized Ca, Glu, BUN, Cr, Hgb, HCT



RSV/Influenza PCR

  • Comes back in ~1hour
  • Mon-Thurs 24 hours, Fri until 10pm, holidays and weekends day time hours until 3pm


Respiratory Panel - Mon-Thurs 24 hours, Fri until 10pm, holidays and weekends day time hours until 3pm, call lab if will make a difference in workup so they can prioritize

  1. Adenovirus
  2. Coronavirus HKU1
  3. Coronavirus NL63
  4. Coronavirus 229E
  5. Coronavirus OC43
  6. Human Metapneumovirus
  7. Human Rhinovirus/Enterovirus
  8. Influenza A
  9. Influenza A/H1
  10. Influenza A/H3
  11. Influenza A/H1-2009
  12. Influenza B
  13. Parainfluenza Virus 1
  14. Parainfluenza Virus 2
  15. Parainfluenza Virus 3
  16. Parainfluenza Virus 4
  17. Respiratory Syncytial Virus
  18. Bordetella pertussis
  19. Chlamydophila pneumonia
  20. Mycoplasma pneumoniae

Meningitis/Encephalitis Panel (CSF from LPs only)

  1. E.Coli K1
  2. H. Flu
  3. Listeria monocytogenes
  4. N. Meningititis
  5. Strep agalactae
  6. Strep pneumonia
  7. CMV
  8. Enterovirus
  9. HSV-1
  10. HSV-2
  11. Human herpes virus 6
  12. Human parechovirus
  13. Cryptococcus neoformans/gatti
  14. Varicella zoster

Stool Culture

  1. Salmonella
  2. Shigella
  3. Campylobacter
  4. Aeromonas
  • If specifically want E.Coli O1:57 need to order Shiga Toxin Ag test separately.


  • Gonorrhea/Chlamydia
    • Purple/White - cervical and urethral specimens
    • Yellow - urine specimen
    • Orange - vaginal specimen

Critical Results

Critical Results (Lab/Radiology) Callback

  • Lab or radiology calls ED for critical result, senior resident or attending takes the call
  • If patient is admitted, lab/radiology told to contact admitting team
  • If patient is discharged already, then patient is called back by senior resident/attending
  • Senior resident/attending documents a note of whether patient was able to be reached
  • If patient is returning to ED for re-evaluation, then place pre-arrival note and notify the charge nurse

Specimen Collection by Providers

  1. Provider places order for specimen
  2. Request clerk/nurse to print labels
  3. Provider affix label to specimen
  4. Leave specimen in room on cart
  6. If no specimen labels printed
    1. Affix generic patient label
    2. RN prints and affixes specimen label
  7. Provider notifies RN specimen ready to send
    1. If RN unavailable notify Charge RN
  8. RN scans specimen and patient wristband
  9. RN sends to lab

(Wu 1/2019)

See Also