ICD-10 Code
International Classification of Diseases, 10th Revision
Apr 19, 2019

See: Other and unspecified infectious diseases

  ICD-10 Code for Unspecified infectious disease B99.9

B99.9 is a valid1 ICD 10 diagnosis code.

B99.9 is valid for submission for HIPAA-covered transactions.

Chapter 1 Certain infectious and parasitic diseases (A00-B99)
Section B99 Other infectious diseases (B99)
Category B99 Other and unspecified infectious diseases

• 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.
See also ICD 10 code for

Related Terms to “Unspecified infectious disease”

  • Disease, diseasedSee also Syndrome
    • epidemic - B99.9
    • infectious, infective - B99.9
  • Fever(inanition) (of unknown origin) (persistent) (with chills) (with rigor) - R50.9
    • infective - B99.9
  • Granuloma - L92.9
    • infectious - B99.9
  • Infection, infected, infective(opportunistic) - B99.9
See the ICD-10-CM Coding Guidelines.

Questions related to B99.9 Unspecified infectious disease

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.