ICD-10-CM Book 2024 Edition

Chapters  /  Chapter 18  /  R10-R19

Symptoms and signs involving the digestive system and abdomen (R10-R19)

Excludes2: 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)
R10 Abdominal and pelvic pain
Excludes1 renal colic (N23)
Excludes2 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
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)
R10.3 Pain localized to other parts of lower abdomen
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
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
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)
R10.9 Unspecified abdominal pain
R11 Nausea and vomiting
Excludes1 cyclical vomiting associated with migraine (G43.A-)
excessive vomiting in pregnancy (O21.-)
hematemesis (K92.0)
neonatal hematemesis (P54.0)
newborn vomiting (P92.0-)
psychogenic vomiting (F50.89)
vomiting associated with bulimia nervosa (F50.2)
vomiting following gastrointestinal surgery (K91.0)
R11.0 Nausea
Nausea NOS
Nausea without vomiting
R11.1 Vomiting
R11.10 Vomiting, unspecified
Vomiting NOS
R11.11 Vomiting without nausea
R11.12 Projectile vomiting
R11.13 Vomiting of fecal matter
R11.14 Bilious vomiting
Bilious emesis
R11.15 Cyclical vomiting syndrome unrelated to migraine
Cyclic vomiting syndrome NOS
Persistent vomiting
Excludes1 cyclical vomiting in migraine (G43.A-)
Excludes2 bulimia nervosa (F50.2)
diabetes mellitus due to underlying condition (E08.-)
R11.2 Nausea with vomiting, unspecified
Persistent nausea with vomiting NOS
R12 Heartburn
Excludes1 dyspepsia NOS (R10.13)
functional dyspepsia (K30)
R13 Aphagia and dysphagia
R13.0 Aphagia
Inability to swallow
Excludes1 psychogenic aphagia (F50.9)
R13.1 Dysphagia
CodeFirst , if applicable, dysphagia following cerebrovascular disease (I69. with final characters -91)
Excludes1 psychogenic dysphagia (F45.8)
R13.10 Dysphagia, unspecified
Difficulty in swallowing NOS
R13.11 Dysphagia, oral phase
R13.12 Dysphagia, oropharyngeal phase
R13.13 Dysphagia, pharyngeal phase
R13.14 Dysphagia, pharyngoesophageal phase
R13.19 Other dysphagia
Cervical dysphagia
Neurogenic dysphagia
R14 Flatulence and related conditions
Excludes1 psychogenic aerophagy (F45.8)
R14.0 Abdominal distension (gaseous)
Bloating
Tympanites (abdominal) (intestinal)
R14.1 Gas pain
R14.2 Eructation
R14.3 Flatulence
R15 Fecal incontinence
Includes encopresis NOS
Excludes1 fecal incontinence of nonorganic origin (F98.1)
R15.0 Incomplete defecation
Excludes1 constipation (K59.0-)
fecal impaction (K56.41)
R15.1 Fecal smearing
Fecal soiling
R15.2 Fecal urgency
R15.9 Full incontinence of feces
Fecal incontinence NOS
R16 Hepatomegaly and splenomegaly, not elsewhere classified
R16.0 Hepatomegaly, not elsewhere classified
Hepatomegaly NOS
R16.1 Splenomegaly, not elsewhere classified
Splenomegaly NOS
R16.2 Hepatomegaly with splenomegaly, not elsewhere classified
Hepatosplenomegaly NOS
R17 Unspecified jaundice
Excludes1 neonatal jaundice (P55, P57-P59)
R18 Ascites
Includes fluid in peritoneal cavity
Excludes1 ascites in alcoholic cirrhosis (K70.31)
ascites in alcoholic hepatitis (K70.11)
ascites in toxic liver disease with chronic active hepatitis (K71.51)
R18.0 Malignant ascites
CodeFirst malignancy, such as:
malignant neoplasm of ovary (C56.-)
secondary malignant neoplasm of retroperitoneum and peritoneum (C78.6)
nonPrimary Yes
R18.8 Other ascites
Ascites NOS
Peritoneal effusion (chronic)
R19 Other symptoms and signs involving the digestive system and abdomen
Excludes1 acute abdomen (R10.0)
R19.0 Intra-abdominal and pelvic swelling, mass and lump
Excludes1 abdominal distension (gaseous) (R14.-)
ascites (R18.-)
R19.00 Intra-abdominal and pelvic swelling, mass and lump, unspecified site
R19.01 Right upper quadrant abdominal swelling, mass and lump
R19.02 Left upper quadrant abdominal swelling, mass and lump
R19.03 Right lower quadrant abdominal swelling, mass and lump
R19.04 Left lower quadrant abdominal swelling, mass and lump
R19.05 Periumbilic swelling, mass or lump
Diffuse or generalized umbilical swelling or mass
R19.06 Epigastric swelling, mass or lump
R19.07 Generalized intra-abdominal and pelvic swelling, mass and lump
Diffuse or generalized intra-abdominal swelling or mass NOS
Diffuse or generalized pelvic swelling or mass NOS
R19.09 Other intra-abdominal and pelvic swelling, mass and lump
R19.1 Abnormal bowel sounds
R19.11 Absent bowel sounds
R19.12 Hyperactive bowel sounds
R19.15 Other abnormal bowel sounds
Abnormal bowel sounds NOS
R19.2 Visible peristalsis
Hyperperistalsis
R19.3 Abdominal rigidity
Excludes1 abdominal rigidity with severe abdominal pain (R10.0)
R19.30 Abdominal rigidity, unspecified site
R19.31 Right upper quadrant abdominal rigidity
R19.32 Left upper quadrant abdominal rigidity
R19.33 Right lower quadrant abdominal rigidity
R19.34 Left lower quadrant abdominal rigidity
R19.35 Periumbilic abdominal rigidity
R19.36 Epigastric abdominal rigidity
R19.37 Generalized abdominal rigidity
R19.4 Change in bowel habit
Excludes1 constipation (K59.0-)
functional diarrhea (K59.1)
R19.5 Other fecal abnormalities
Abnormal stool color
Bulky stools
Mucus in stools
Occult blood in feces
Occult blood in stools
Excludes1 melena (K92.1)
neonatal melena (P54.1)
R19.6 Halitosis
R19.7 Diarrhea, unspecified
Diarrhea NOS
Excludes1 functional diarrhea (K59.1)
neonatal diarrhea (P78.3)
psychogenic diarrhea (F45.8)
R19.8 Other specified symptoms and signs involving the digestive system and abdomen