Billable / Specific Code
ICD-10-CM K63.8212 is the diagnosis code for Small intestinal bacterial overgrowth, hydrogen sulfide-subtype. 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 K63.8212 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, K63.8212 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
K63.8212 is the ICD-10-CM diagnosis code for "Small intestinal bacterial overgrowth, hydrogen sulfide-subtype". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of K63.8212 is K63.821 ("Small intestinal bacterial overgrowth"). K63.8212 provides a more specific classification within this category.
K63.8212 is located in Section K55-K64 — "Other diseases of intestines" within Chapter 11 of the ICD-10-CM Tabular List.
Use K63.8212 when the patients documented diagnosis matches "Small intestinal bacterial overgrowth, hydrogen sulfide-subtype" 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 bacterial overgrowth, hydrogen sulfide-subtype is K63.8212.
Yes, K63.8212 can be used as a primary diagnosis code since it is billable and specific.
K63.8212 is in Chapter 11 of the ICD-10-CM Tabular List.
Yes, K63.8212 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.