Name: Culture, Catheter Tip, Intravascular
Test Name: Culture, Catheter Tip, Intravascular
Health Link Test Code: GM4155
LIS Test Code: TIPC
CPT Code(s): 87070; Additional CPT codes may be added for processing, identification, and susceptibility testing.
Days Performed: Daily.
In-Lab Turnaround Time: Preliminary report: 1 day. Final report: 3 days minimum.
Stat In-Lab Turnaround Time: Not available stat.
Specimen: Miscellaneous intravascular catheter tips
Collection Container: Sterile screw cap container
Indicate source of sepsis or infected indwelling arterial/venous catheter.
Transport specimen to the laboratory within 2 hours of collection.
Urinary catheter tips are not acceptable.
No growth or insignificant growth
Fifteen or more bacterial colonies or five or more yeast colonies growing on a culture plate is regarded as a positive culture, denoting local catheter-related infection, when the same organism is recovered from blood cultures.
Interpretation Type: Expected Results
False negative culture results are possible if transport of the specimen to the laboratory is delayed greater than 2 hours.
This procedure is appropriate only for intravascular catheter tips. Urinary catheter tips are NOT cultured under any circumstances.
Non-vascular catheters are cultured qualitatively (see Wound Cultures).
Patients with catheter related septicemia will usually have greater than 15 colonies per plate. Patients with inflammation at the catheter site, but no related septicemia, will usually have fewer than 15 colonies per plate.
Complete identification and routine susceptibility testing on organisms isolated from catheter tips is not performed.