TB

TB Culture

Test Name:  

TB Culture

Alternate Name (s):  

 

Laboratory Module:  

Microbiology

Ordering Mnemonic:  

TB

Once tissue is selected as the source, a further description can be entered using the source dictionary. For instance:

BLDTB
BONE MARROW                                                                              CSF
FLUID
OTH
SPU
TIS#1
TIS#2
TIS#3
TIS#4
TIS#5
TIS#6
TIS#7
If you chose sources FLUID,OTH or TIS#1 - TIS#7 you will be required to free-text the specific source information under the
Specify: query
 

Use the free text comment section  to define the exact location of where the specimen was obtained from for a more accurate processing of the specimen.

 

Specimen Type:   

Any specimen from the body, may be used.

Collection Container:  

See Collection Information

Container Information

Collection Information:  

Abscess contents or aspirated fluid
As much as possible in a sterile container

Blood
Collect x2 heparnized tubes using proper collection technique. Store at room temperature.

Body Fluids
As much as possible in a sterile container.

Bone
Bone in a sterile container without fixative or preservative.

Bone Marrow
As much as possible in a heparin tube.

Bronchoalveolar lavage or bronchial washing
>5mls in sterile container

Bronchial brushing
Sterile container. Add sterile saline if small amount.

CSF
>2mls in sterile container.

Lymph node
Node or portion in sterile container without fixative or preservative. A small amount of sterile saline may be added.

Skin Lesion
Submit biopsy specimen in a sterile container without fixative or preservative.

Sputum
Collect 3 sputum specimens ina sterile container . One of the specimens must be collected early morning.

Urine
As much as possible of first morning specimen in a sterile container.

Wound
Swabs are acceptable only if biopsy or aspirate is not obtainable. If used must be placed in transport media.
 

Test Schedule:  

Daily

Turnaround Time:  

Routine

Preliminary: 1 to9 weeks

Final: 1 to 9 weeks

Stat / Urgent

Preliminary: 1 to9 weeks

Final: 1 to 9 weeks

Reference Interval:  

 

Critical Values:  

As TB is detected and identified the information is made available to the health care provider.

Lab Process Notes :  

 

Storage & Transport:  

The specimen should be transported as soon as possible, without delay. Viability may decrease with prolonged storage. The specimen should then be refrigerated.

Test Referred to :   

Public Health Laboratories, Hamilton

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Updated on June 2014

 
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