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Mycobacterial Culture, Blood

Important Note

Infectious Disease Use only.

Additional Codes

Primary ID

Epic Code

Mayo Test ID

TBCXB

LAB3656

CTBBL

 

Reporting Name

Mycobacterial Culture, B

Useful For

Diagnosing mycobacteremia

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Whole blood


Shipping Instructions


Specimen must be processed within 72 hours of draw.



Necessary Information


Specimen source is required.



Specimen Required


Container/Tube:

Preferred: Green top (sodium or lithium heparin)

Acceptable: SPS/Isolator System

Specimen Volume: 8-10 mL per culture

Collection Instructions:

1. Send specimen in original tube.

2. Please note when sending SPS tube, it must be clearly labeled SPS. If label is obscured, sample may be cancelled, as ACD (yellow top) is not an acceptable tube type.


Specimen Stability Information

Specimen Type Temperature Time
Whole blood Ambient (preferred) 72 hours
  Refrigerated  72 hours

Reference Values

Negative

If positive, mycobacteria is identified.

A final negative report will be issued after 42 days of incubation.

Day(s) and Time(s) Performed

Monday through Sunday; Continuously

Test Classification

This test has been cleared, approved or is exempt by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

87116-Mycobacterial Culture

87118-Id MALDI-TOF Mass Spec AFB (if appropriate)

87150-Id, Mtb Speciation, PCR (if appropriate)

87150-Mycobacteria Probe Ident, Broth(if appropriate)

87150-Mycobacteria Probe Ident, Solid(if appropriate) 

87153-Mtb PZA Confirmation, pcnA sequence (if appropriate)

87153-Mycobacteria Identification by Sequencing (if appropriate)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
CTBBL Mycobacterial Culture, B 64412-0

 

Result ID Test Result Name Result LOINC Value
CTBBL Mycobacterial Culture, B 64412-0

Analytic Time

42 days/Positive cultures reported as soon as detected, Negative 42 days

Specimen Retention Time

24 days

Reject Due To

No specimen should be rejected.

Specimen Minimum Volume

5 mL

NY State Approved

Yes

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
TBMP Mycobacteria Probe Ident No, (Bill Only) No
TBPB Mycobacteria Probe Ident Broth No, (Bill Only) No

Testing Algorithm

When this test is ordered, the reflex tests may be performed and charged.

Method Name

Continuously Monitored Automated Broth Culture Instrument with Conventional Methods for Identification of Mycobacteria

Forms

If not ordering electronically, complete, print, and send a Microbiology Test Request (T244) with the specimen.