Symptoms and signs involving the digestive system and abdomen (R10-R19) ICD-10-CM
The R10–R19 section covers symptoms and signs involving the digestive system and abdomen with 120 ICD-10-CM diagnosis codes, of which 99 are billable in fiscal year 2026. The section is organized into the 10 code ranges listed below.
Type 2 Excludes
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.
- congenital or infantile pylorospasm Q40.0
- gastrointestinal hemorrhage K92.0 K92.2
- intestinal obstruction K56
- newborn gastrointestinal hemorrhage P54.0 P54.3
- newborn intestinal obstruction P76
- pylorospasm K31.3
- signs and symptoms involving the urinary system R30 R39
- symptoms referable to female genital organs N94
- symptoms referable to male genital organs N48 N50
Code Ranges in This Section 10 ranges · 120 codes
The info icon previews the code ranges inside each row and its instructional notations from the official Tabular List.
About the R10–R19 Code Range
ICD-10 codes R10-R19 cover a wide range of symptoms and signs related to the digestive system and abdomen, including various types of abdominal pain, nausea, vomiting, and abnormal bowel or abdominal findings. These codes are used to classify patient complaints and signs when a precise diagnosis may not be established yet.
This range includes codes for detailed locations and types of abdominal pain, such as acute abdomen (R10.0), upper quadrant pain, pelvic pain (R10.2), and generalized abdominal tenderness (R10.817). It also encompasses nausea and vomiting codes (R11), covering symptoms from simple nausea through specific types like bilious vomiting (R11.14) or cyclical vomiting syndrome (R11.15). The chapter further includes swallowing difficulties labeled aphagia and dysphagia (R13), with precise subcategories to specify phases of swallowing impairment. Other symptoms in this range include flatulence and abdominal distension (R14), fecal incontinence (R15), and signs of organ enlargement like hepatomegaly and splenomegaly (R16). Additionally, codes covering jaundice (R17) and ascites (R18) help capture abnormal clinical findings related to fluid accumulation. Finally, R19 codes describe a variety of other digestive and abdominal signs such as masses, abnormal bowel sounds, rigidity, and changes in bowel habits.
Using synonyms such as "acute abdominal pain" for R10.0, "rebound abdominal tenderness" for R10.82, or "flatulence" for R14.3 aids coders in accurately selecting codes based on symptom descriptions. This comprehensive collection assists healthcare professionals in documenting presenting symptoms and physical findings that guide further diagnosis and treatment of digestive and abdominal conditions.
Questions About This Page
How many codes are in the R10-R19 range?
The R10-R19 range contains 120 ICD-10-CM diagnosis codes in FY 2026. 99 of them are billable, and the rest are category headers that organize the section.
What conditions does R10-R19 cover?
The range covers symptoms and signs involving the digestive system and abdomen. The code ranges listed above break it into groups of related conditions, and each one links to its own page with the full code list.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
