Chapter XVIII

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

Symptoms and signs involving the circulatory and respiratory systems
(R00-R09)

R00 Abnormalities of heart beat
Excludes: abnormalities originating in the perinatal period ( P29.1 )
specified arrhythmias ( I47-I49 )
R00.0 Tachycardia, unspecified
Rapid heart beat
Tachycardia:
· sinoauricular NOS
· sinus [sinusal] NOS
R00.1 Bradycardia, unspecified
Bradycardia:
· sinoatrial
· sinus
· vagal
Slow heart beat
Use additional external cause code (Chapter XX), if desired, to identify drug, if drug-induced.
R00.2 Palpitations
Awareness of heart beat
R00.8 Other and unspecified abnormalities of heart beat

R01 Cardiac murmurs and other cardiac sounds
Excludes: those originating in the perinatal period ( P29.8 )
R01.0 Benign and innocent cardiac murmurs
Functional cardiac murmur
R01.1 Cardiac murmur, unspecified
Cardiac bruit NOS
R01.2 Other cardiac sounds
Cardiac dullness, increased or decreased
Precordial friction

R02 Gangrene, not elsewhere classified
Excludes: gangrene in:
· atherosclerosis ( I70.2 )
· diabetes mellitus ( E10-E14 with common fourth character .5)
· other peripheral vascular diseases ( I73.- )
gangrene of certain specified sites - see Alphabetical Index
gas gangrene ( A48.0 )
pyoderma gangrenosum ( L88 )

R03 Abnormal blood-pressure reading, without diagnosis
R03.0 Elevated blood-pressure reading, without diagnosis of hypertension
Note: This category is to be used to record an episode of elevated blood pressure in a patient in whom no formal diagnosis of hypertension has been made, or as an isolated incidental finding.
R03.1 Nonspecific low blood-pressure reading
Excludes: hypotension ( I95.- )
· neurogenic orthostatic ( G90.3 )
maternal hypotension syndrome ( O26.5 )

R04 Haemorrhage from respiratory passages
R04.0 Epistaxis
Haemorrhage from nose
Nosebleed
R04.1 Haemorrhage from throat
Excludes: haemoptysis ( R04.2 )
R04.2 Haemoptysis
Blood-stained sputum
Cough with haemorrhage
R04.8 Haemorrhage from other sites in respiratory passages
Pulmonary haemorrhage NOS
Excludes: perinatal pulmonary haemorrhage ( P26.- )
R04.9 Haemorrhage from respiratory passages, unspecified

R05 Cough
Excludes: cough with haemorrhage ( R04.2 )
psychogenic cough ( F45.3 )

R06 Abnormalities of breathing
Excludes: respiratory:
· arrest ( R09.2 )
· distress (syndrome)(of):
  · adult ( J80 )
  · newborn ( P22.- )
· failure ( J96.- )
  · of newborn ( P28.5 )
R06.0 Dyspnoea
Orthopnoea
Shortness of breath
Excludes: transient tachypnoea of newborn ( P22.1 )
R06.1 Stridor
Excludes: congenital laryngeal stridor ( P28.8 )
laryngismus (stridulus) ( J38.5 )
R06.2 Wheezing
R06.3 Periodic breathing
Cheyne-Stokes breathing
R06.4 Hyperventilation
Excludes: psychogenic hyperventilation ( F45.3 )
R06.5 Mouth breathing
Snoring
Excludes: dry mouth NOS ( R68.2 )
R06.6 Hiccough
Excludes: psychogenic hiccough ( F45.3 )
R06.7 Sneezing
R06.8 Other and unspecified abnormalities of breathing
Apnoea NOS
Breath-holding (spells)
Choking sensation
Sighing
Excludes: apnoea (of):
· newborn ( P28.4 )
· sleep ( G47.3 )
  · newborn (primary) ( P28.3 )

R07 Pain in throat and chest
Excludes: dysphagia ( R13 )
epidemic myalgia ( B33.0 )
pain in:
· breast ( N64.4 )
· neck ( M54.2 )
sore throat (acute) NOS ( J02.9 )
R07.0 Pain in throat
R07.1 Chest pain on breathing
Painful respiration
R07.2 Precordial pain
R07.3 Other chest pain
Anterior chest-wall pain NOS
R07.4 Chest pain, unspecified

R09 Other symptoms and signs involving the circulatory and respiratory systems
Excludes: respiratory:
· distress (syndrome)(of):
  · adult ( J80 )
  · newborn ( P22.- )
· failure ( J96.- )
  · newborn ( P28.5 )
R09.0 Asphyxia
Excludes: asphyxia (due to):
· birth ( P21.- )
· carbon monoxide ( T58 )
· foreign body in respiratory tract ( T17.- )
· intrauterine ( P20.- )
· traumatic ( T71 )
R09.1 Pleurisy
Excludes: pleurisy with effusion ( J90 )
R09.2 Respiratory arrest
Cardiorespiratory failure
R09.3 Abnormal sputum
Abnormal:
· amount
· colour
· odour
Excessive
}
}
}
}
}
(of) sputum
Excludes: blood-stained sputum ( R04.2 )
R09.8 Other specified symptoms and signs involving the circulatory and respiratory systems
Bruit (arterial)
Chest:
· abnormal percussion
· friction sounds
· tympany
Rales
Weak pulse


Processed on 11/12/2006 M.S. Source: World Health Organization © Copyright WHO/DIMDI 1994/2006