Test Overview
Test Methodology


Test Usage

Isolate and identify anaerobic organisms

Reference Range *

No growth

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Limitations

Identifications will not be performed on cultures yielding 3 or more organisms.
Antibiotic susceptibilities are not performed.

Test Details
Days Set Up
Analytic Time

Preliminary results are reported in 12 - 24 hours. Negative cultures are reported after 4 days.

Soft Order Code
  • Anaerobe Culture, Cerebrospinal Fluid
  • ANNC
  • CSF, Anaerobe Culture
  • Culture, CSF, Anaerobe
  • Spinal Fluid, Anaerobe Culture
Specimen Requirements
Collection Instructions

This test is rarely positive, and is no longer performed as a routine test. A staff physician or a member of Infectious Diseases Service must contact the MLabs Client Services Center and consult with the laboratory regarding clinical necessity for the test before the specimen will be processed. Collect CSF after sterile preparation of aspiration site. AVOID CONTAMINATION WITH NORMAL FLORA FROM SKIN. Indicate specimen source, collection date/time, current antibiotic therapy and clinical diagnosis on requisition.

Normal Volume
0.5 - 5.0 ml CSF
Minimum Volume
0.5 - 5.0 ml CSF
Storage Temperature
Ambient: Yes
Incubate: No
Refrigerate: No
Freeze: No
For optimum recovery, anaerobe specimens should not be stored. If unable to transport immediately, specimens in anaerobic transport tubes may be held at room temperature up to 24 hours.
Rejection Criteria
1. Not in anaerobe transport and <1.0ml
2. Not in anaerobe transport and >1.0 hr old
3. Rejection criteria: specimens without prior notification, no clinical indication is written on requisition.
4. If an unacceptable specimen is received, the client will be notified before disposal of the original specimen.
Additional Information

Test includes anaerobe culture. Direct smear is included if additional specimen is sent in a sterile tube (NOT anaerobic transport) and direct smear is requested. Specimens for anaerobic culture should be accompanied by a specimen from the same site for aerobic bacterial culture.

CPT Code
Fee Code