Skip to Content
UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: Culture, Blood, Quantitative

Test Code(s): BLOQ / HCBLOQ

CPT Code(s): 87040; Additional CPT codes may be added for processing, identification, and susceptibility testing.

Methodology: Isolator®/Lysis Centrifugation

Clinical Significance: Aids in the detection of catheter related sepsis.

Days Performed: Daily.

Turnaround Time: Stat: Not available stat.
Routine: Preliminary report: 24 hours. Final report: Up to 8 days.

Specimen Requirements

Specimen: Blood

Collection Instructions: Available to Infectious Diseases physicians only. All other requests require UWHC Director of Microbiology approval. Call 608 263-4445 (pager 5569).

Blood must be aseptically collected. ChloraPrep Frepp the site. Preclean port of central line. Draw one - 10 mL Isolator® tube (1.5 mL Isolator® tube for pediatric patients) from each port and by venipuncture. Peripheral and line drawn specimens must be collected at the same time. Invert tube 4-5 times to mix.

Collection Container: Preferred: Isolator® tube

Collection Volume: Preferred: 9 mL
Pediatrics: 1.5 mL

Sample Analyzed: Whole Blood

Volume Required: Preferred: 7.5 mL
Pediatrics: 0.5 mL

Specimen Transport: Transport specimen to UWHC Microbiology (B4/231) within 2 hours of collection.

Stability: Ambient: 4 hours
Refrigerated: Not acceptable
Frozen: Not acceptable


Expected Results:

No growth

Critical Calls: View

Back to Lab Test Directory Index