AHA Coding Clinic® for ICD-9 - 1993 Fourth Quarter; New/Revised Codes
Expansion of Category 079, Virus and Chlamydial Infections
Human Papilloma Virus Effective October 1,1993, a new code, 079.4, Human papilloma virus, has been created. Human Papilloma Viruses (HPV) selectively infect the epithelium of skin or mucous membranes. These infections may be asymptomatic, produce warts, or be associated with a variety of both benign and malignant neoplasms. There are over 50 identified types of HPV. Clinical manifestations of HPV infections depend upon both the location of the lesions and the virus type. Skin lesions may be common warts (verrucae vulgaris), flat warts (verrucae plana), anogenital warts (condylomata acuminata), or Bowenoid papulosis (flat, macular lesions of the...
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Article Overview
This premium coding article reviews changes to ICD-9-CM classification related to virus and chlamydial infections. It focuses on the addition of a new diagnosis code for human papilloma virus, the use of a secondary code for conditions associated with HIV II and other retrovirus-related illnesses, and a fifth-digit expansion within viral warts. The material is intended for coders and coding professionals who need to understand the scope of the update and the types of clinical scenarios affected.
Why This Topic Matters
These updates affect how infectious and virus-related diagnoses are classified in ICD-9-CM, which can influence code selection, reporting consistency, and data specificity for affected patients and conditions.
Article Sections
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Human Papilloma Virus
Discusses the classification update for human papilloma virus and the broad clinical contexts associated with this infection category.
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Retroviruses
Reviews the need for secondary identification of certain retrovirus-related conditions and the broader context of HIV-related classification.
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Viral Warts
Covers the coding update related to viral warts and the addition of a more specific fifth-digit category for a genital wart presentation.
What You Will Learn
- How the ICD-9-CM classification was expanded for virus-related infections.
- What broad infectious disease categories were affected by the update.
- Why additional specificity was introduced for certain viral conditions.
- How the article frames coding considerations for HPV-, HIV-, and wart-related diagnoses.
Who Should Read This
- Medical coders
- Coding auditors
- Health information management professionals
- Clinical documentation specialists
Codes Discussed
Code Ranges Discussed
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