A01.2 is a billable and specific ICD-10-CM code. Accurate coding of A01.2 is essential for ensuring effective patient care and facilitating appropriate reimbursement.
This guide provides detailed insights into its application, official guidelines, and historical background.
ICD-10-CM Code for Paratyphoid Fever B
ICD-10-CM Code for Paratyphoid Fever B is A01.2.
It is a bacterial infection caused by Salmonella paratyphi B, commonly transmitted through contaminated food or water.
Proper documentation using A01.2 ensures patients receive appropriate care and enables accurate healthcare reimbursement.
Synonyms
- Paratyphoid infection due to Salmonella paratyphi B
- Enteric fever due to Salmonella paratyphi B
- Type B paratyphoid fever
History Background of ICD-10-CM Diagnosis Code A01.2
The ICD-9-CM system, first introduced in 1979, provided the initial framework for coding diseases and health-related conditions in the United States.
In the ICD-9-CM system, A01.2 was represented by code 002.2, which refers to Paratyphoid Fever B, and remained the same from 1979 to 2015.
While the ICD-9-CM system offered a basic approach to disease classification, modern healthcare needs more detail and specificity.
To address this, the ICD-10-CM system was launched in 2015, introducing a more comprehensive and accurate coding structure.
The transition from ICD-9-CM to ICD-10-CM significantly improved the ability to document and analyze the condition of Paratyphoid Fever B.
The 2025 edition of ICD-10-CM A01.2 became effective on October 1, 2024.
| Year | Code | Description |
| 2020 | A01.2 | No Change |
| 2021 | A01.2 | No Change |
| 2022 | A01.2 | No Change |
| 2023 | A01.2 | No Change |
| 2024 | A01.2 | No Change |
| 2025 | A01.2 | No Change |
Symptoms of Paratyphoid Fever B
- Persistent high fever lasting several days.
- Discomfort or cramps in the abdomen.
- Irregular bowel movements, which can vary by individual.
- Persistent or severe headaches.
- The feeling of sickness or actual vomiting episodes.
- Extreme tiredness and weakness.
- Reduced desire to eat.
How Paratyphoid Fever B is Caused
- Ingestion of food or water contaminated with Salmonella paratyphi B bacteria.
- Transmission through contact with infected individuals or surfaces due to inadequate handwashing or sanitation.
- Bacteria spread via ingesting food or drink contaminated by feces from an infected person.
Other ICD-10-CM Diagnosis Codes in A01
ICD-10-CM code A01 | Typhoid and Paratyphoid Fevers has following sub categories including A01.2 :
- A01 Typhoid and paratyphoid fevers
- A01.0 Typhoid fever
- A01.00 unspecified
- A01.01 Typhoid meningitis
- A01.02 …… with heart involvement
- A01.03 Typhoid pneumonia
- A01.04 Typhoid arthritis
- A01.05 Typhoid osteomyelitis
- A01.09 with other complications
- A01.1 Paratyphoid fever A
- A01.2 Paratyphoid fever B
- A01.3 Paratyphoid fever C
- A01.4 Paratyphoid fever, unspecified
Final Thoughts
Proper coding of A01.2 is vital for diagnosing and managing Paratyphoid Fever B. Understanding its symptoms, causes, and coding guidelines ensures accurate documentation and better patient care. This code supports effective healthcare management and ensures proper reimbursement.
