ICD-10 Code
International Classification of Diseases, 10th Revision
Mar 22, 2019
  ICD-10 Code for Viral infection, unspecified B34.9

B34.9 is a valid1 ICD 10 diagnosis code.

B34.9 is valid for submission for HIPAA-covered transactions.

Chapter 1 Certain infectious and parasitic diseases (A00-B99)
Section B25-B34 Other viral diseases (B25-B34)
Category B34 Viral infection of unspecified site

• See below for any additional coding requirements that may be necessary.

• Check for any notations, inclusions and/or exclusions that are specific to this ICD 10 code before using

1 No additional coding requirements necessary.
Inclusion Term
  • Viremia NOS
See also ICD 10 code for

Related Terms to “Viral infection, unspecified”

  • Arthritis, arthritic(acute) (chronic) (nonpyogenic) (subacute) - M19.90
    • in(due to)
      • viral disease NEC - B34.9See also category M01
  • Disease, diseasedSee also Syndrome
    • nonarthropod-borne NOS(viral) - B34.9
    • viral, virus - B34.9See also Disease, by type of virus
      • nonarthropod-borne NOS - B34.9
  • Infection, infected, infective(opportunistic) - B99.9
    • virus, viral NOS - B34.9
      • unspecified nature or site - B34.9
  • Otitis(acute) - H66.90
  • SyndromeSee also Disease
    • virus - B34.9
  • Viremia - B34.9
See the ICD-10-CM Coding Guidelines.

Questions related to B34.9 Viral infection, unspecified

When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.