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ICD-10-CM 2027 diagnosis code

B97.8Other viral agents as the cause of diseases classified elsewhere

Not billable — use a more specific code

B97.8 is a header code, so it can't be reported by itself. Choose one of the 2 more specific codes beneath it.Short description: Oth viral agents as the cause of diseases classd elswhr

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About B97.8

B97.8 is the ICD-10-CM diagnosis code for other viral agents as the cause of diseases classified elsewhere. It belongs to category B97 (viral agents as the cause of diseases classified elsewhere), block B95-B97 (bacterial and viral infectious agents) and chapter 1 (certain infectious and parasitic diseases). It is a header code, so it can't be reported by itself; one of its 2 subcodes must be used instead.

Within B97, choose B97.8 (Other viral agents as the cause of diseases classified elsewhere) only when documentation doesn't support a more specific option: adenovirus as the cause of diseases classified elsewhere (B97.0), enterovirus as the cause of diseases classified elsewhere (B97.1), coronavirus as the cause of diseases classified elsewhere (B97.2), retrovirus as the cause of diseases classified elsewhere (B97.3), respiratory syncytial virus as the cause of diseases classified elsewhere (B97.4), Reovirus as the cause of diseases classified elsewhere (B97.5), Parvovirus as the cause of diseases classified elsewhere (B97.6) and papillomavirus as the cause of diseases classified elsewhere (B97.7).

To report this condition, pick the subcode that matches the documentation: B97.81 (elsewhere) and B97.89 (elsewhere).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under B97.8

Notes that apply from higher levels

Instructions written at a parent level also apply to B97.8.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about B97.8

Is B97.8 billable?

No. B97.8 is a header code. Report one of its more specific subcodes instead.