ICD – 10 Guidelines Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99)

ICD – 10 guidelines Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99) .

  1. Human Immunodeficiency Virus (HIV) Infections.
  2. Infectious agents as the cause of diseases classified to other chapters .
  3. Infections resistant to antibiotics.

a)Human Immunodeficiency Virus (HIV) Infections.

1)Code only confirmed cases.

  • The provider’s diagnostic statement should have patient is HIV positive, or has an HIV-related illness .
  • Does not require documentation of positive serology or culture for HIV.
  • This is an exception to the hospital inpatient guideline

2) Selection and sequencing of HIV codes.

  • Patient admitted for HIV-related condition.
  • If a patient is admitted for an HIV-related condition, the principal diagnosis should be B20, Human immunodeficiency virus [HIV] disease.
  • Followed by additional diagnosis codes for all reported HIV-related conditions.

Scenario:

Patient coming with Anal cancer patient is having HIV.

How to code?

Principal diagnosis:  B20

Additional diagnosis:   Anal cancer

(b) Patient with HIV disease admitted for unrelated condition :

  • If a patient with HIV disease is admitted for an unrelated condition (such as a traumatic injury), the code for the unrelated condition (e.g., the nature of injury code) should be the principal diagnosis.
  • Other diagnoses would be B20 followed by additional diagnosis codes for all reported HIV-related conditions.

Scenario:

Patient who is HIV disease admitted with head injury .

How to code?

Principal diagnosis:  head injury

Additional diagnosis:  b20

 

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