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Test Code SOMIS (Corynebact. diphth.) Culture, Corynebacterium diphtheriae, Throat

Performing Laboratory

Michigan Department of Community Health

Specimen Requirements

Specimen Type: Throat, nasopharyngeal, or
pseudomembrane

Container/Tube: Culturette swab

Specimen Volume: Swab

Collection Instructions:

1. Specimen source is required.

2. Immediately place swab in sterile transport tube to
ensure specimen preservation.
3. Label tube with patient’s full name, date of birth, date
and time of collection, and source of specimen.

Additional
Information:
 Indicate “screen for
Corynebacterium diphtheriae” on request form.

Specimen Transport Temperature

Ambient 24 hours

Reference Values

Normal finding: no Corynebacterium diphtheriae
isolated

Abnormal finding: positive for Corynebacterium
diphtheriae

Day(s) Test Set Up

Monday through Sunday