B33.8
Billable

Other specified viral diseases

Billable / Specific Code

What is Other specified viral diseases?

ICD-10-CM B33.8 is the diagnosis code for Other specified viral diseases. This code falls under the section "Other viral 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.

⛔ Excludes1

Coding Guidelines for B33.8

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as B33.8. They are mutually exclusive:

  • anogenital human papillomavirus infection (A63.0)
  • viral warts due to human papillomavirus infection (B07)

ICD-10-CM Code Hierarchy

Understanding where B33.8 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is B33.8 a billable ICD-10-CM code?

Yes, B33.8 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does B33.8 mean?

B33.8 is the ICD-10-CM diagnosis code for "Other specified viral diseases". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of B33.8?

The parent code of B33.8 is B33 ("Other viral diseases, not elsewhere classified"). B33.8 provides a more specific classification within this category.

What section is B33.8 in?

B33.8 is located in Section B25-B34 — "Other viral diseases" within Chapter 1 of the ICD-10-CM Tabular List.

When should I use B33.8?

Use B33.8 when the patients documented diagnosis matches "Other specified viral diseases" 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 Other specified viral diseases?

The ICD-10-CM code for Other specified viral diseases is B33.8.

Can B33.8 be used for primary diagnosis?

Yes, B33.8 can be used as a primary diagnosis code since it is billable and specific.

What chapter is B33.8 in?

B33.8 is in Chapter 1 of the ICD-10-CM Tabular List.

What conditions are excluded from B33.8?

Type 1 Excludes for B33.8 include: anogenital human papillomavirus infection (A63.0); viral warts due to human papillomavirus infection (B07).

Is B33.8 valid for 2026?

Yes, B33.8 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousB33.4Hantavirus (cardio)-pulmonary syndrome [HPS] [HCPS]Next →B34Viral infection of unspecified site
Code Details
B33.8
Other specified viral diseases
Billable / Specific Code
1 — Certain infectious and parasitic diseases (A00-B99)
B25-B34 — Other viral diseases
2026 ICD-10-CM