ICD-10-CM K60.321 is the diagnosis code for Anal fistula, complex, initial. This code falls under the section "Other diseases of intestines" within Chapter 11 — Diseases of the digestive system (K00-K95). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where K60.321 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, K60.321 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
K60.321 is the ICD-10-CM diagnosis code for "Anal fistula, complex, initial". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of K60.321 is K60.32 ("Anal fistula, complex"). K60.321 provides a more specific classification within this category.
K60.321 is located in Section K55-K64 — "Other diseases of intestines" within Chapter 11 of the ICD-10-CM Tabular List.
Use K60.321 when the patients documented diagnosis matches "Anal fistula, complex, initial" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Anal fistula, complex, initial is K60.321.
Yes, K60.321 can be used as a primary diagnosis code since it is billable and specific.
K60.321 is in Chapter 11 of the ICD-10-CM Tabular List.
Yes, K60.321 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.