- K59.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM K59.1 became effective on October 1, 2022.
- This is the American ICD-10-CM version of K59.1 – other international versions of ICD-10 K59.1 may differ.
ICD-10-CM K59.1 is grouped within Diagnostic Related Group(s):
- 391 Esophagitis, gastroenteritis and miscellaneous digestive disorders with mcc
- 392 Esophagitis, gastroenteritis and miscellaneous digestive disorders without mcc
Type 1 Excludes
- diarrhea NOS (R19.7)
- irritable bowel syndrome with diarrhea (K58.0)
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to K59.1:
- functional > Diarrhea, diarrheal (disease) (infantile) (inflammatory) R19.7
- neurogenic > Diarrhea, diarrheal (disease) (infantile) (inflammatory) R19.7