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Culture, Ear, External [4477X]
Test Code44771
CPT Codes
87070
Includes
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
1 swab collected from external ear canal using an Amies liquid or gel transport swab, ESwab or equivalent
Other Acceptable Specimens
1 swab collected from ear drainage/aspirate using Amies gel transport swab
Instructions
Indicate source of specimen on both the requisition and specimen transport device. For culture of tympanocentesis fluid, see "Culture, Aerobic and Anaerobic".
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 48 hours
Refrigerated: Unacceptable
Frozen: Unacceptable
Refrigerated: Unacceptable
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Dry swabs • Requests for anaerobic culture • Molecular transport systems • Specimens in formalin or other fixatives • Wooden-shafted, cotton tipped swabs and calcium alginate swabs
Methodology
Culture
Setup Schedule
Monday-Sunday Morning, Night
Report available: 2 Days
Report available: 2 Days
Reference Range
No growth
Clinical Significance
The significance of any isolate(s), in pure or mixed culture, must be assessed with respect to the source cultured, the organism's pathogenic potential, the possibility of colonization versus infection, and the number of other organisms recovered from the same culture.
