K62.82 Dysplasia of anus

The ICD-10-CM code for Dysplasia of anus is K62.82 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

11: Diseases of the digestive system (K00-K95)

Section

K55-K64: Other diseases of intestines (K55-K64)

Category K62

14 codes (12 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to K62.82:

• Dysplasia › anus (histologically confirmed) (mild) (moderate)
• Neoplasia › intraepithelial (histologically confirmed) › anal (AIN) (histologically confirmed)
• Neoplasia › intraepithelial (histologically confirmed) › anal (AIN) (histologically confirmed) › grade II
• Neoplasia › intraepithelial (histologically confirmed) › anal (AIN) (histologically confirmed) › grade I

Inclusion Terms

• Anal intraepithelial neoplasia I and II (AIN I and II) (histologically confirmed)
• Dysplasia of anus NOS
• Mild and moderate dysplasia of anus (histologically confirmed)

U.S. Hospital Utilization

• An estimated 770 U.S. inpatient stays in 2023 included K62.82 among the documented diagnoses.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Chapter 11 reserved for future expansion

11. Chapter 11: Diseases of the Digestive System (K00-K95) Reserved for future guideline expansion

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)