ICD-10-CM · Chapter 18 · R00-R99
R19 Other symptoms and signs involving the digestive system and abdomen
Excludes 1 (cannot be coded together)
- acute abdomen (R10.0)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| R19..0 | Intra-abdominal and pelvic swelling, mass and lump | No |
| R19..00 | Intra-abdominal and pelvic swelling, mass and lump, unspecified site | Yes |
| R19..01 | Right upper quadrant abdominal swelling, mass and lump | Yes |
| R19..02 | Left upper quadrant abdominal swelling, mass and lump | Yes |
| R19..03 | Right lower quadrant abdominal swelling, mass and lump | Yes |
| R19..04 | Left lower quadrant abdominal swelling, mass and lump | Yes |
| R19..05 | Periumbilic swelling, mass or lump | Yes |
| R19..06 | Epigastric swelling, mass or lump | Yes |
| R19..07 | Generalized intra-abdominal and pelvic swelling, mass and lump | Yes |
| R19..09 | Other intra-abdominal and pelvic swelling, mass and lump | Yes |
| R19..1 | Abnormal bowel sounds | No |
| R19..11 | Absent bowel sounds | Yes |
| R19..12 | Hyperactive bowel sounds | Yes |
| R19..15 | Other abnormal bowel sounds | Yes |
| R19..2 | Visible peristalsis | Yes |
| R19..3 | Abdominal rigidity | No |
| R19..30 | Abdominal rigidity, unspecified site | Yes |
| R19..31 | Right upper quadrant abdominal rigidity | Yes |
| R19..32 | Left upper quadrant abdominal rigidity | Yes |
| R19..33 | Right lower quadrant abdominal rigidity | Yes |
| R19..34 | Left lower quadrant abdominal rigidity | Yes |
| R19..35 | Periumbilic abdominal rigidity | Yes |
| R19..36 | Epigastric abdominal rigidity | Yes |
| R19..37 | Generalized abdominal rigidity | Yes |
| R19..4 | Change in bowel habit | Yes |
| R19..5 | Other fecal abnormalities | Yes |
| R19..6 | Halitosis | Yes |
| R19..7 | Diarrhea, unspecified | Yes |
| R19..8 | Other specified symptoms and signs involving the digestive system and abdomen | Yes |
Plain-language terms for this code
The following entries in the US Medical Glossary correspond to ICD-10-CM category R19:
- Diarrhea — Diarrea
- Change in Bowel Habits — Cambio en los hábitos intestinales
Last reviewed: September 2026