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/clinical/tools-resources/lab-test-directory/microbiology/name-68518-en.labtest

Jun 28, 2017

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100

UWHC,UWMF,

Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Microbiology

Culture, Ear

Culture, Ear (EARC, HCEARCS) Microbiology Lab Test

Name: Culture, Ear

Test Name: Culture, Ear

Health Link Test Code: EARC, HCEARCS

LIS Test Code: EARC, EARCS

CPT Code(s): 87070; Additional CPT codes may be added for processing, identification, and susceptibility testing.

Test Component:

Culture and Gram stain, if requested.

Methodology: Culture, Microscopy

Clinical Information:

Samples from the ear canal are appropriate for diagnosis of otitis externa. Common pathogens include Staphylococcus aureus, Streptococcus pyogenes (group A Streptococcus), gram-negative rods especially Pseudomonas aeruginosa (the agent of swimmer's ear), and Aspergillus species.

 

Ear canal swabs are not appropriate for diagnosis of otitis media for which fluid collected by tympanocentesis should be collected.

Days Performed: Daily, 24 hours.

In-Lab Turnaround Time: Preliminary report: 1 day. Final report: 2 days minimum.

Stat In-Lab Turnaround Time: Not available stat.

Collection Container: CultureSwab®

Stability Ambient:

24 hours

Stability Refridgerated:

24 hours

Stability Frozen:

Not acceptable

Specimen Transport:

Transport to the laboratory.

Interpretation:

Endogenous flora

Interpretation Type: Expected Results