K63.8211 — Small intestinal bacterial overgrowth, hydrogen-subtype
Is K63.8211 billable?
Yes — K63.8211 is billable for FY2027. K63.8211 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. K63.8211 may be submitted for encounters from October 1, 2026 through September 30, 2027.
K63.8211 at a glance
| Code | K63.8211 |
|---|---|
| Description | Small intestinal bacterial overgrowth, hydrogen-subtype |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does K63.8211 group to?
K63.8211 sits in MDC 06 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 393Other Digestive System Diagnoses with MCCmedical
- 394Other Digestive System Diagnoses with CCmedical
- 395Other Digestive System Diagnoses without CC/MCCmedical
How is K63.8211 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to K63.8211. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Overgrowth › bacterial › small intestinal › hydrogen-subtype
Excludes2 — not included here — inherited from Chapter 11
The conditions below are not part of K63.8211, but a patient may have both at the same time. When documentation supports it, K63.8211 and the excluded code may both be reported.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
How long has K63.8211 existed?
K63.8211 first appears in FY2024.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.