Chapter XVIII
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
(R00-R99)

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

Excl.:
gastrointestinal haemorrhage ( K92.0-K92.2)
gastrointestinal haemorrhage
intestinal obstruction ( K56.-)
intestinal obstruction
pylorospasm ( K31.3)
pylorospasm
  • congenital or infantile (Q40.0)
symptoms and signs involving the urinary system ( R30-R39)
symptoms referable to genital organs:

R10 Abdominal and pelvic pain

Excl.:
dorsalgia ( M54.-)
flatulence and related conditions ( R14)
renal colic ( N23)
R10.0 Acute abdomen
Incl.:
Severe abdominal pain (generalized)(localized)(with abdominal rigidity)
R10.1 Pain localized to upper abdomen
Incl.:
Dyspepsia NOS
Epigastric pain
Excl.:
functional dyspepsia ( K30)
R10.2 Pelvic and perineal pain
R10.3 Pain localized to other parts of lower abdomen
R10.4 Other and unspecified abdominal pain
Incl.:
Abdominal tenderness NOS
Colic:
  • NOS
  • infantile

R11 Nausea and vomiting

Excl.:
haematemesis ( K92.0)
haematemesis
vomiting (of):
  • excessive, in pregnancy (O21.-)
  • following gastrointestinal surgery (K91.0)
  • newborn (P92.0)
  • psychogenic (F50.5)

R12 Heartburn

Excl.:
dyspepsia:

R13 Dysphagia

Incl.:
Difficulty in swallowing

R14 Flatulence and related conditions

Incl.:
Abdominal distension (gaseous)
Bloating
Eructation
Gas pain
Tympanites (abdominal)(intestinal)
Excl.:
psychogenic aerophagy ( F45.3)

R15 Faecal incontinence

Incl.:
Encopresis NOS
Excl.:
that of nonorganic origin ( F98.1)

R16 Hepatomegaly and splenomegaly, not elsewhere classified

R16.0 Hepatomegaly, not elsewhere classified
Incl.:
Hepatomegaly NOS
R16.1 Splenomegaly, not elsewhere classified
Incl.:
Splenomegaly NOS
R16.2 Hepatomegaly with splenomegaly, not elsewhere classified
Incl.:
Hepatosplenomegaly NOS

R17 Unspecified jaundice

Excl.:
neonatal jaundice ( P55.-, P57-P59)

R18 Ascites

Incl.:
Fluid in peritoneal cavity

R19 Other symptoms and signs involving the digestive system and abdomen

Excl.:
acute abdomen ( R10.0)
R19.0 Intra-abdominal and pelvic swelling, mass and lump
Incl.:
Diffuse or generalized swelling or mass:
  • intra-abdominal NOS
  • pelvic NOS
  • umbilical
Excl.:
abdominal distension (gaseous) ( R14)
ascites ( R18)
R19.1 Abnormal bowel sounds
Incl.:
Absent bowel sounds
Hyperactive bowel sounds
R19.2 Visible peristalsis
Incl.:
Hyperperistalsis
R19.3 Abdominal rigidity
Excl.:
that with severe abdominal pain ( R10.0)
R19.4 Change in bowel habit
Excl.:
constipation ( K59.0)
functional diarrhoea ( K59.1)
R19.5 Other faecal abnormalities
Incl.:
Abnormal stool colour
Bulky stools
Mucus in stools
Occult blood in stools
Excl.:
melaena ( K92.1)
melaena
R19.6 Halitosis
R19.8 Other specified symptoms and signs involving the digestive system and abdomen