K63.8212 — Small intestinal bacterial overgrowth, hydrogen sulfide-subtype
Is K63.8212 billable?
Yes — K63.8212 is billable for FY2027. K63.8212 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. K63.8212 may be submitted for encounters from October 1, 2026 through September 30, 2027.
K63.8212 at a glance
| Code | K63.8212 |
|---|---|
| Description | Small intestinal bacterial overgrowth, hydrogen sulfide-subtype |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does K63.8212 group to?
K63.8212 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 K63.8212 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to K63.8212. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Overgrowth › bacterial › small intestinal › hydrogen sulfide-subtype
Excludes2 — not included here — inherited from Chapter 11
The conditions below are not part of K63.8212, but a patient may have both at the same time. When documentation supports it, K63.8212 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 K63.8212 existed?
K63.8212 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.