K63.8211 – Small intestinal bacterial overgrowth, hydrogen-subtype
ICD-10-CM 2027 diagnosis code · Other diseases of intestines
ICD-10-CM code
K63.8211
- Code
K63.8211(claims format:K638211)- Description
- Small intestinal bacterial overgrowth, hydrogen-subtype
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 11. Diseases of the digestive system (K00-K95)
- Block
- K55-K64 Other diseases of intestines
- Parent codes
- K63 › K63.8 › K63.82 › K63.821
Index terms for K63.8211
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in K63.821
Frequently asked questions
What is ICD-10 code K63.8211?
K63.8211 is the ICD-10-CM code for small intestinal bacterial overgrowth, hydrogen-subtype, in the block K55-K64 (Other diseases of intestines).
Is K63.8211 a billable code?
Yes. K63.8211 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does K63.8211 belong to?
It belongs to category K63 – Other diseases of intestine.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.