ICD-10 Code
International Classification of Diseases, 10th Revision
Mar 23, 2019

See: Other viral diseases, not elsewhere classified

  ICD-10 Code for Retrovirus infections, not elsewhere classified B33.3

B33.3 is a valid1 ICD 10 diagnosis code.

B33.3 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 B33 Other viral diseases, not elsewhere classified

• 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
  • Retrovirus infection NOS
See also ICD 10 code for

Related Terms to “Retrovirus infections, not elsewhere classified”

  • Human
    • T-cell lymphotropic virus
      • type-1 infection(HTLV-I) - B33.3
  • Infection, infected, infective(opportunistic) - B99.9
    • human
      • T-cell lymphotropic virus type-1(HTLV-1) - B33.3
    • retrovirus - B33.3
See the ICD-10-CM Coding Guidelines.

Questions related to B33.3 Retrovirus infections, not elsewhere classified

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.