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Epic Code LAB54 Calcium Ionized, Blood Level

Important Note

LOOK + LOOK

  • Do not expose to air.
  • Do not collect in microtainer.
  • Do not store on ice.
  • Not allowed as add-on

Please check which specimen type/collection is preferred for the location the specimen is being sent.

Test Name Alias

Calcium Ionized Blood Level | Free Calcium Blood Level | Ca Ionized | Ionized calcium

Interface Order Alias

10023

Quick Collect

LOOK+LOOK

Icons & Photos

*Special Handling - please review Ordering, Collection or Processing instructions carefully.

Collection Instructions

Please check which specimen type/collection is preferred for the location the specimen is being sent.

 

Submit only one of the following specimens: (Inpatient, Outpatient or CRITCARE/Respiratory)

 

 

CRITCARE IONIZED CALCIUM [LAB1230302] to Respiratory

Specimen Type: Whole Blood

Container/Tube: Heparinized blood gas syringe or Capillary Gas Tube or 4.0 mL Green Top Lithium Heparin tube

Volume: 4.0 mL/Full Tube

Minimum Volume: 2.0 mL

Collection Instructions:

  • Do not collect in microtainer.
  • Do not centrifuge.
  • Do not expose to air.
  • Do not store on ice.
  • Whole blood must be run within 30 minutes of collection.
  • Capillary collect acceptable for capillary gas tube
  • Call Respiratory Satellite Lab and tube to Respiratory 
    • Butterworth (BW) 5 MHC – 616-352-5756 - Tube Station 881
    • Helen DeVos Children's Hospital (HDVCH) 8 CH – 616-352-6027 - Tube Station 912
    • All other Medical Center, Grand Rapids: Hand Deliver ALL Capillary specimens to HDVCH - 8th floor Respiratory Satellite Lab, Room 89203. Please call first 616-352-6027
    • Blodgett (BIRL) – 616-382-2122 - Tube Station 411
    • Or Hand Deliver to any Respiratory Satellite Lab
  • Specimen to remain ambient.
  • Specimen may be rejected if not processed within 30 minutes of collection.

 

Inpatient to Laboratory

Specimen Type: Whole Blood

Container/Tube: 4.0 mL Green Top (lithium heparin)

Volume: 4.0 mL/Full Tube

Minimum Volume: 2.0 mL

Collection Instructions:

  • CHS (St. Joseph, Niles, Watervliet) - For inpatient, if coming from Niles or Watervliet place on ice and contact STAT courier prior to collection.
  • Do not collect in microtainer.
  • Do not centrifuge.
  • Do not expose to air.
  • Do not store on ice.
  • Cannot be shared or combined with any other lab test.
  • Whole blood must be run within 30 minutes of collection.
  • Specimen to remain ambient
  • Specimen may be rejected if not processed within 30 minutes of collection
Outpatient to Laboratory

Specimen Type: Serum
Container/Tube: Gold top (Serum Separator-SST Gel)
Volume: 5 mL
Minimum volume: 2.0 mL SERUM

Pediatric volume: 2.0 mL SERUM

Capillary Collect Acceptable? No

Collection Instructions: 

  • The tube must be centrifuged within 2 hours after collection.
  • Do not collect in microtainer.
  • Do not expose to air.
  • Do not freeze.
  • Cannot be shared or combined with any other lab test.
  • Specimen to be refrigerated after centrifuged. 

 

Specimen Stability

Whole blood Green Top

Ambient: 30 Minutes

 

Gold top (Serum Separator-SSTGel)

Ambient: 8 hours

Refrigerated: 48 hours

Laboratory Retention: 72 hours

Test Frequency

Available 24 hours, usual TAT 1 day.

Reference Range

1.12 – 1.40 mmol/L

 

Laboratory Critical Values Table (Link)

Performing Department

Multiple departments: Chemistry or Respiratory Care

Performing Department Laboratory Location

CHW:

Corewell Health Reference Laboratory, Grand Rapids, MI
Corewell Health Big Rapids Laboratory, Big Rapids, MI*
Corewell Health Blodgett Laboratory, Grand Rapids, MI*
Corewell Health Gerber Laboratory, Fremont, MI*
Corewell Health Ludington Laboratory, Ludington, MI*

Corewell Health Pennock Laboratory, Hastings, MI*
Corewell Health Reed City Laboratory, Reed City, MI*
Corewell Health Greenville Laboratory, Greenville, MI*
Corewell Health Zeeland Laboratory, Zeeland, MI*

*Only Inpatient and Emergency orders are performed at this Lab, outpatient is forwarded to Corewell Health Reference Lab.

CHS:
Corewell Health Lakeland St. Joseph Laboratory, St. Joseph, MI

 

Methodology

Electrochemical Ion Selective Biosensor

CPT

82330

CDM Code

3018233001

Epic Test ID

1230100428

LOINC

CALCIUM IONIZED (RESP): 47596-2
CALCIUM LEVEL IONIZED: 47596-2

Mayo Access Code

SHO386

Reviewed Date

3/23/2022

Updated Date

4/29/2025 - CHS info added