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Test Code CAION Calcium, Ionized, Serum

Important Note

Do not aliquot.  Send original collection tube.

Additional Codes

Epic: LAB54

Specimen Required

Specimen Type: Serum SST

Collection Container/Type

Preferred: Serum gel

Submission Container/Tube: Serum gel (do not aliquot, send in original SST tube)

Collection Instructions: 

  1. Allow blood to clot for 30 minutes.
  2. Serum gel tube must be centrifuged within 1 hour of draw time.  Centrifuge with stopped in place and ensure the gel barrier separates the serum and cells.
  3. Keep specimen anaerobic, do not aliquot.

Additional Information: Specimen cannot be shared with other testing.

CPT Code(s)


Lab Processing Instructions (Lab Use Only)


  1. Receive sample in Phlebotomy>Receiving.
  2. Do not open tube.
  3. Place on STL to IFMC Laboratory: ICLB -> FXLB
  4. Send to IFMC main lab, room temperature.