At Quest, Calcium, Ionized is drawn in a Gel barrier tube, SST, order code 306.

Quest collection requirements

Calcium, Ionized tube and order code at Quest

Primary tube
Gel barrier tube, SST
Order code
306
Minimum volume
0.6 mL

Quest verified by: Mandi Boss B Franklin, Aug 29, 2026

Compare this test

Need the full lookup, not just a comparison?

No login · Zero PHI · Clinician-verified · Quest + LabCorp + BioReference.

Try a lookup