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Test Code QUNT Culture, Tissue, Quantitative

Important Note

Note:  If insufficient amount of tissue is submitted (<0.2 grams) the quantitative culture will be credited and reordered as a routine bacterial culture. 

Order routine bacterial culture BACT LAB897 for all sorces other than those used to evaluate the graft recipient site for infection befire grafting or to monitor the progress of granulation for secondary closure of a wound.  

Infectious

Methodology

Quantitative bacteriologic culture of tissue is useful only in
the management of burns and other traumatic wounds to evaluate the graft recipient site for infection before or to monitor the progress of granulation for secondary closure of a wound.

Includes serial dilution of specimen, gram stain, and
quantitative bacterial culture (CFU/g; colony forming units per
gram) of tissue specimens. Includes susceptibility testing as
appropriate.

Performing Laboratory

Bronson Laboratory Services-Microbiology

Specimen Requirements

Specimen Type: Fresh tissue

Container/Tube: Screw-capped, sterile
container

Specimen Volume: A minimum of 0.5 g
or approximately 1 cm x 2 cm

Collection Instructions: 

1. Specimen source and time of collection are
required.

2. Label container with patient’s full name, date of
birth, date and time of collection, and source of
specimen.

3. Specimen submitted in formalin is not
acceptable.

Specimen Transport Temperature

Refrigerate 24 hours/Ambient 2 hours OK

Reference Values

Normal finding: growth of <100,000 CFU/g

Abnormal finding: growth of >100,000 CFU/g

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

87070-Culture, bacterial, other

87176-Homogenization, tissue