Chapter XVIII

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

Symptoms and signs involving the digestive system and abdomen

Excludes: gastrointestinal haemorrhage ( K92.0-K92.2 )
· newborn ( P54.0-P54.3 )
intestinal obstruction ( K56.- )
· newborn ( P76.- )
pylorospasm ( K31.3 )
· congenital or infantile ( Q40.0 )
symptoms and signs involving the urinary system ( R30-R39 )
symptoms referable to genital organs:
· female ( N94.- )
· male ( N48-N50 )

R10 Abdominal and pelvic pain
Excludes: dorsalgia ( M54.-)
flatulence and related conditions ( R14)
renal colic ( N23)
R10.0 Acute abdomen
Severe abdominal pain (generalized)(localized)(with abdominal rigidity)
R10.1 Pain localized to upper abdomen
Epigastric pain
R10.2 Pelvic and perineal pain
R10.3 Pain localized to other parts of lower abdomen
R10.4 Other and unspecified abdominal pain
#R10.40 Idiopathic recurrent abdominal pain of childhood
#R10.48 Other abdominal pain
· infantile
#R10.49 Unspecified abdominal pain
Abdominal tenderness NOS

R11 Nausea and vomiting
Excludes: haematemesis ( K92.0)
· neonatal ( P54.0)
vomiting (of):
· excessive, in pregnancy ( O21.-)
· following gastrointestinal surgery ( K91.0)
· newborn ( P92.0)
· psychogenic ( F50.5)
#R11.0 Cyclic vomiting
#R11.9 Nausea and vomiting, unspecified

R12 Heartburn
Excludes: dyspepsia ( K30 )

R13 Dysphagia

Difficulty in swallowing
Pharyngeal incoordination

R14 Flatulence and related conditions
Abdominal distension (gaseous)
Gas pain
Tympanites (abdominal)(intestinal)
Excludes: psychogenic aerophagy ( F45.3 )

R15 Faecal incontinence
Encopresis NOS
Excludes: that of nonorganic origin ( F98.1)

anal sphincter relaxation (K59.5 )

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
Excludes: neonatal jaundice ( P55, P57-P59)
#R17.0 Cholestatic jaundice
#R17.1 Obstructive jaundice
#R17.8 Other jaundice
#R17.9 Jaundice, unspecified

R18 Ascites
Fluid in peritoneal cavity

R19 Other symptoms and signs involving the digestive system and abdomen
Excludes: acute abdomen ( R10.0 )
R19.0 Intra-abdominal and pelvic swelling, mass and lump
Diffuse or generalized swelling or mass:
· intra-abdominal NOS
· pelvic NOS
· umbilical
Excludes: abdominal distension (gaseous) ( R14 )
ascites ( R18 )
R19.1 Abnormal bowel sounds
Absent bowel sounds
Hyperactive bowel sounds
R19.2 Visible peristalsis
R19.3 Abdominal rigidity
Excludes: that with severe abdominal pain ( R10.0 )
R19.4 Change in bowel habit
Excludes: constipation ( K59.0 )
functional diarrhoea ( K59.1 )
R19.5 Other faecal abnormalities
Abnormal stool colour
Bulky stools
Mucus in stools
Occult blood in stools
Excludes: melaena ( K92.1 )
· neonatal ( P54.1 )
R19.6 Halitosis
R19.8 Other specified symptoms and signs involving the digestive system and abdomen