ICD-10-CM Book 2026 Edition

Chapters  /  Chapter 18  /  R10-R19  /  R10
R10 Abdominal and pelvic pain
Excludes1 renal colic (N23)
Excludes2 costovertebral (angle) tenderness (R39.85)
dorsalgia (M54.-)
flatulence and related conditions (R14.-)
R10.0 Acute abdomen
Severe abdominal pain (generalized) (with abdominal rigidity)
Excludes1 abdominal rigidity NOS (R19.3)
generalized abdominal pain NOS (R10.84)
localized abdominal pain (R10.1-R10.3-)
R10.1 Pain localized to upper abdomen
Excludes2 pain localized to flank (R10.A-)
pelvic and perineal pain (R10.2-)
R10.10 Upper abdominal pain, unspecified
R10.11 Right upper quadrant pain
R10.12 Left upper quadrant pain
R10.13 Epigastric pain
Dyspepsia
Excludes1 functional dyspepsia (K30)
R10.2 Pelvic and perineal pain
Excludes1 vulvodynia (N94.81)
Excludes2 pain localized to other parts of lower abdomen (R10.3-)
pain localized to upper abdomen (R10.1-)
R10.20 Pelvic and perineal pain unspecified side
R10.21 Pelvic and perineal pain right side
R10.22 Pelvic and perineal pain left side
R10.23 Pelvic and perineal pain bilateral
R10.24 Suprapubic pain
R10.3 Pain localized to other parts of lower abdomen
Excludes2 pain localized to flank (R10.A-)
pelvic and perineal pain (R10.2-)
R10.30 Lower abdominal pain, unspecified
R10.31 Right lower quadrant pain
R10.32 Left lower quadrant pain
R10.33 Periumbilical pain
R10.8 Other abdominal pain
R10.81 Abdominal tenderness
Abdominal tenderness NOS
Excludes2 pain localized to other parts of lower abdomen (R10.3-)
pain localized to upper abdomen (R10.1-)
R10.811 Right upper quadrant abdominal tenderness
R10.812 Left upper quadrant abdominal tenderness
R10.813 Right lower quadrant abdominal tenderness
R10.814 Left lower quadrant abdominal tenderness
R10.815 Periumbilic abdominal tenderness
R10.816 Epigastric abdominal tenderness
R10.817 Generalized abdominal tenderness
R10.819 Abdominal tenderness, unspecified site
R10.82 Rebound abdominal tenderness
Excludes2 pain localized to other parts of lower abdomen (R10.3-)
pain localized to upper abdomen (R10.1-)
R10.821 Right upper quadrant rebound abdominal tenderness
R10.822 Left upper quadrant rebound abdominal tenderness
R10.823 Right lower quadrant rebound abdominal tenderness
R10.824 Left lower quadrant rebound abdominal tenderness
R10.825 Periumbilic rebound abdominal tenderness
R10.826 Epigastric rebound abdominal tenderness
R10.827 Generalized rebound abdominal tenderness
R10.829 Rebound abdominal tenderness, unspecified site
R10.83 Colic
Colic NOS
Infantile colic
Excludes1 colic in adult and child over 12 months old (R10.84)
age Pediatric: [0-17]
R10.84 Generalized abdominal pain
Excludes1 generalized abdominal pain associated with acute abdomen (R10.0)
R10.85 Abdominal pain of multiple sites
Excludes1 abdominal rigidity NOS (R19.3)
generalized abdominal pain associated with acute abdomen (R10.0)
generalized abdominal pain NOS (R10.84)
localized abdominal pain (R10.1-R10.4-)
R10.8A Flank tenderness
R10.8A1 Right flank tenderness
R10.8A2 Left flank tenderness
R10.8A3 Suprapubic tenderness
R10.8A9 Flank tenderness, unspecified
Flank tenderness NOS
R10.9 Unspecified abdominal pain
R10.A Pain localized to flank
Lateral abdomen pain
Lateral flank pain
Latus region pain
Excludes2 pain localized to other parts of lower abdomen (R10.3-)
pain localized to upper abdomen (R10.1-)
R10.A0 Flank pain, unspecified side
R10.A1 Flank pain, right side
R10.A2 Flank pain, left side
R10.A3 Flank pain, bilateral