Venous (Central) Oxygen Saturation

Label Mnemonic:	VOSC
Epic code:	LAB8593
Downtime form:	A-1a Doctor/Provider Orders - Pathology Core and Specialty Care Nursery

Critical Care - Relocated to Core Laboratory
6240 RCP
356-3527

Specimen(s):

Whole Blood (syringe only)

Collection Medium:

Lithium/Sodium Heparin syringe

Minimum:

0.5 mL in Lithium/Sodium Heparin syringes ONLY. No air bubbles in syringe.

Delivery Instructions:

Deliver to laboratory immediately after collection.

Testing Schedule:

24 hrs/day, 7 days a week, including holidays.

Turn Around Time:

10 minutes (upon receipt in laboratory)

Comments:

This order is for venous oxygen saturation for a specimen drawn from a central catheter (e.g., central venous catheter, PICC line, pulmonary artery catheter) as opposed to peripheral site (e.g., standard venipuncture). Can be ordered with blood gases (0.5 mL blood required). All needles must be removed from the syringe before delivery. Samples that contain greater than 25% air to sample volume ratio will not be analyzed.

Methodology:

Oximetric

CPT Code:

82810

See Additional Information:
Critical Care Critical Lab Values
Specimens Requiring Immediate Delivery