A01.4
Billable

Paratyphoid fever, unspecified

Billable / Specific Code

What is Paratyphoid fever, unspecified?

ICD-10-CM A01.4 is the diagnosis code for Paratyphoid fever, unspecified. This code falls under the section "Intestinal infectious diseases" within Chapter 1 — Certain infectious and parasitic diseases (A00-B99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions

Coding Guidelines for A01.4

✅ This Code Includes

  • Infection due to Salmonella paratyphi NOS

ICD-10-CM Code Hierarchy

Understanding where A01.4 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is A01.4 a billable ICD-10-CM code?

Yes, A01.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does A01.4 mean?

A01.4 is the ICD-10-CM diagnosis code for "Paratyphoid fever, unspecified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of A01.4?

The parent code of A01.4 is A01 ("Typhoid and paratyphoid fevers"). A01.4 provides a more specific classification within this category.

What section is A01.4 in?

A01.4 is located in Section A00-A09 — "Intestinal infectious diseases" within Chapter 1 of the ICD-10-CM Tabular List.

When should I use A01.4?

Use A01.4 when the patients documented diagnosis matches "Paratyphoid fever, unspecified" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Paratyphoid fever, unspecified?

The ICD-10-CM code for Paratyphoid fever, unspecified is A01.4.

Can A01.4 be used for primary diagnosis?

Yes, A01.4 can be used as a primary diagnosis code since it is billable and specific.

What chapter is A01.4 in?

A01.4 is in Chapter 1 of the ICD-10-CM Tabular List.

Is A01.4 valid for 2026?

Yes, A01.4 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousA01.3Paratyphoid fever CNext →A02Other salmonella infections
Code Details
A01.4
Paratyphoid fever, unspecified
Billable / Specific Code
1 — Certain infectious and parasitic diseases (A00-B99)
A00-A09 — Intestinal infectious diseases
2026 ICD-10-CM