ICD-10-CM A32 is the diagnosis code for Listeriosis. This code falls under the section "Other bacterial diseases" within Chapter 1 — Certain infectious and parasitic diseases (A00-B99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as A32. They are mutually exclusive:
Understanding where A32 sits in the ICD-10-CM classification helps ensure proper coding:
No, A32 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
A32 is the ICD-10-CM diagnosis code for "Listeriosis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
A32 is located in Section A30-A49 — "Other bacterial diseases" within Chapter 1 of the ICD-10-CM Tabular List.
A32 has 5 sub-code(s) that provide more specific detail: A32.0, A32.1, A32.7, A32.8, A32.9.
Use A32 when the patients documented diagnosis matches "Listeriosis" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Listeriosis is A32.
No, A32 is non-billable. Use a more specific sub-code for primary diagnosis billing.
A32 is in Chapter 1 of the ICD-10-CM Tabular List.
Type 1 Excludes for A32 include: neonatal (disseminated) listeriosis (P37.2).
Yes, A32 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.