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Mayo Clinic Laboratories

Test Code Billings Clinic: 4407 Chloride (i-STAT®), Blood

Performing Laboratory

Billings Clinic Laboratory: West and Heights Labs

Specimen Requirements

  • Draw a full, green-top (lithium heparin) tube.
  • Send 5 mL of unprocessed lithium heparin whole blood.
  • Lithium heparin tube must be properly filled.
  • Immediately after draw invert several times to mix blood.
  • Do not centrifuge.
  • Forward unprocessed whole blood promptly.

Reference Values

98-109 mmol/L

Test Classification and CPT Coding

82435 - Chloridel; blood