A08.4 is a billable and specific ICD-10-CM code. Accurate documentation of A08.4 facilitates proper diagnosis, effective management, and correct reimbursement.
This guideline will provide the use, official coding guidelines, and historical background of A08.4.
What is the ICD-10-CM Diagnosis Code for Viral intestinal infection, unspecified?
The ICD-10-CM diagnosis code for Viral intestinal infection, unspecified is A08.4.
Viral intestinal infection, unspecified, is a gastrointestinal illness caused by a virus that has not been specifically identified.
It is typically transmitted through the fecal-oral route, often due to the consumption of contaminated food or water, or contact with infected individuals or surfaces.
Common clinical symptoms include acute diarrhea, abdominal cramps, nausea, vomiting, and low-grade fever.
While most cases are self-limiting, the infection can cause dehydration, especially in babies, older adults, and people with weak immune systems.
Preventive measures include proper hand hygiene, safe food handling, and access to clean water.
Proper documentation using A08.4 ensures patients receive appropriate care and enables accurate healthcare reimbursement.
Synonyms
- Gastric hemorrhage due to viral gastritis
- Viral colitis
- Viral gastritis
- Viral gastritis with hemorrhage
- Viral gastroenteritis
History Background of ICD-10-CM Diagnosis Code A08.4
The ICD-9-CM system, first introduced in 1979, provided the initial framework for coding diseases and health-related conditions in the United States.
The ICD-9-CM diagnosis code for Viral intestinal infection, unspecified is 008.8.This coding remained consistent 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 conditions such as Viral intestinal infection, unspecified.
The 2025 edition of ICD-10-CM A08.4 became effective on October 1, 2024.
| Year | ICD-10-CM Code | Description |
| 2020 | A08.4 | No Change |
| 2021 | A08.4 | No Change |
| 2022 | A08.4 | No Change |
| 2023 | A08.4 | No Change |
| 2024 | A08.4 | No Change |
| 2025 | A08.4 | No Change |
Other ICD-10-CM Diagnosis Codes in A08
ICD-10-CM code A08 | Viral and other specified intestinal infections has following sub categories including A08.4 :
- A08.0 Rotaviral enteritis.
- A08.1 Acute gastroenteropathy due to Norwalk agent and other small round viruses.
- A08.11 Acute gastroenteropathy due to Norwalk agent.
- A08.19 Acute gastroenteropathy due to other small round viruses.
- A08.2 Adenoviral enteritis.
- A08.3 Other viral enteritis.
- A08.31 Calicivirus enteritis.
- A08.32 Astrovirus enteritis.
- A08.39 Other viral enteritis.
- A08.4 Viral intestinal infection, unspecified.
- A08.8 Other specified intestinal infections.
Final Thought
Proper coding of A08.4 is essential for diagnosing and managing Viral intestinal infection, unspecified. A clear understanding of its History, and correct usage enhances medical documentation and ensures effective treatment, patient care, supports healthcare planning, and guarantees proper reimbursement for medical services.
