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HelpTest Code CTBBL Mycobacterial Culture, Blood
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
Whole bloodShipping Instructions
Specimen must be processed within 7 days of collection.
Necessary Information
Specimen source is required.
Specimen Required
Container/Tube:
Preferred: Green top (sodium or lithium heparin)
Acceptable: SPS (sodium polyanethol sulfonate)
Specimen Volume: 8 to 10 mL per culture
Collection Instructions:
1. Send whole blood specimen in original tube.
2. SPS tubes are acceptable, but not preferred.
3. Note: SPS tubes must be clearly labeled as SPS. If label is obscured, sample may be canceled, as ACD (yellow top) is not an acceptable tube type.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Whole blood | Ambient (preferred) | 7 days |
| Refrigerated | 7 days |
Reference Values
Negative
If positive, mycobacteria are identified.
A final negative report will be issued after 42 days of incubation.
Day(s) Performed
Monday through Sunday
CPT Code Information
87116-Mycobacterial Culture
87118-Id MALDI-TOF Mass Spec AFB (if appropriate)
87150-Id, Mtb Speciation, PCR (if appropriate)
87153-Mtb PZA Confirmation, pcnA sequence (if appropriate)
87153-Mycobacteria Identification by Sequencing (if appropriate)
87150- Id, MTB complex Rapid PCR (if appropriate)
Report Available
49 daysSpecimen Retention Time
24 daysReject Due To
| Blood Culture bottles (eg, BACTEC mycoF Lytic, VersaTrek) Isolator Clotted |
Reject |
Specimen Minimum Volume
5 mL
Reflex Tests
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| ISMY | ID by 16S Sequencing | No, (Bill Only) | No |
| RMALM | Id MALDI-TOF Mass Spec AFB | No, (Bill Only) | No |
| RTBSP | Id, Mtb Speciation, PCR | No, (Bill Only) | No |
| LCTB | Id, MTB complex Rapid PCR | No, (Bill Only) | No |