Billable / Specific Code
ICD-10-CM K63.822 is the diagnosis code for Small intestinal fungal overgrowth. 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.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where K63.822 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, K63.822 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
K63.822 is the ICD-10-CM diagnosis code for "Small intestinal fungal overgrowth". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of K63.822 is K63.82 ("Intestinal microbial overgrowth"). K63.822 provides a more specific classification within this category.
K63.822 is located in Section K55-K64 — "Other diseases of intestines" within Chapter 11 of the ICD-10-CM Tabular List.
Use K63.822 when the patients documented diagnosis matches "Small intestinal fungal overgrowth" 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 Small intestinal fungal overgrowth is K63.822.
Yes, K63.822 can be used as a primary diagnosis code since it is billable and specific.
K63.822 is in Chapter 11 of the ICD-10-CM Tabular List.
Yes, K63.822 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.