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Cerebrospinal Fluid (CSF) Culture and Gram Stain [388X]
Test Code5823
CPT Codes
87070, 87205
Includes
Aerobic culture and Gram Stain. If culture is positive, identification will be performed at an additional charge (CPT code(s): 87077 or 87140 or 87143 or 87147 or 87149).
Antibiotic susceptibilities are only performed when appropriate (CPT code(s): 87181 or 87184 or 87185 or 87186).
Antibiotic susceptibilities are only performed when appropriate (CPT code(s): 87181 or 87184 or 87185 or 87186).
Preferred Specimen
2 mL CSF submitted in a sterile, plastic leak-proof container
Minimum Volume
0.2 mL
Instructions
Submit CSF specimen immediately at room temperature. Do not refrigerate.
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 24 hours
Refrigerated: Unacceptable
Frozen: Unacceptable
Refrigerated: Unacceptable
Frozen: Unacceptable
Methodology
Bacterial culture, aerobic, anaerobic, microscopy, routine isolation and identification procedures antibiotic susceptibility testing when appropriate
Setup Schedule
Set up: Daily; Report available: 4 days
Reference Range
See Laboratory Report
Clinical Significance
Cerebrospinal fluid cultures are of importance in the diagnosis of bacterial meningitis, an inflammation of the meninges. The most common causes of this life threatening condition are E. coli and Group B streptococci in neonates, H. influenzae (2 months-5 years), N. meningitidis (all ages, most common in older children and young adults) and S. pneumoniae (all ages).