2025 ICD-10-CM code A03.0

Shigellosis due to Shigella dysenteriae, serogroup A.

Use additional code to identify resistance to antimicrobial drugs (Z16.-). Do not use this code for infections specific to the perinatal period (P35-P39) or complicating pregnancy, childbirth, and the puerperium (O98.-).

Medical necessity for A03.0 is established by the presence of clinical signs and symptoms consistent with shigellosis, along with laboratory confirmation of Shigella dysenteriae infection. The severity of symptoms, such as dehydration or bloody diarrhea, further supports medical necessity.

Diagnosis and treatment of shigellosis, including managing symptoms like diarrhea, dehydration, and fever. May involve stool sample analysis and antibiotic prescription if necessary.

In simple words: This code represents an infection of the digestive system caused by the Shigella dysenteriae bacteria, often spread through contaminated food or water.It can cause severe diarrhea, stomach pain, and fever.

Shigellosis due to Shigella dysenteriae. Group A shigellosis [Shiga-Kruse dysentery]

Example 1: A patient presents with severe bloody diarrhea, stomach cramps, and fever after returning from a trip to a developing country. Stool culture confirms Shigella dysenteriae., A child experiences persistent watery diarrhea, vomiting, and lethargy after consuming contaminated food at a picnic.A03.0 is diagnosed after laboratory testing., An outbreak of shigellosis occurs in a community due to contaminated water supply. Several individuals present with varying degrees of gastrointestinal symptoms, and A03.0 is used for those with confirmed Shigella dysenteriae infection.

Symptoms (diarrhea, fever, abdominal pain, etc.), travel history, laboratory results confirming Shigella dysenteriae (e.g., stool culture), and details of treatment provided (e.g., rehydration, antibiotics).

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