R19.7 Diarrhea, unspecified
The ICD-10-CM code for Diarrhea, unspecified is R19.7 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- R10-R19: Symptoms and signs involving the digestive system and abdomen (R10-R19)
- Category R19
- 30 codes (26 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to R19.7:
- Diarrhea, diarrheal (disease) (infantile) (inflammatory)
Inclusion Terms
- Diarrhea NOS
U.S. Hospital Utilization
- An estimated 429,700 U.S. inpatient stays in 2023 included R19.7 among the documented diagnoses.
- 6,010 stays listed it as the principal diagnosis.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
Repeated falls vs history of fallingd. Repeated falls Code R29.6, Repeated falls, is for use for encounters when a patient has recently fallen and the reason for the fall is being investigated. Code Z91.81, History of falling, is for use when a patient has fallen in the past and is at risk for future falls. When appropriate, both codes R29.6 and Z91.81 may be assigned together.
Use of R40.20 unspecified coma; do not report for induced/sedatede. Coma Code R40.20, Unspecified coma, should be assigned when the underlying cause of the coma is not known, or the cause is a traumatic brain injury and the coma scale is not documented in the medical record. Do not report codes for unspecified coma, individual or total Glasgow coma scale scores for a patient with a medically induced coma or a sedated patient.
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026