R55 Syncope and collapse
Billable ICD-10-CM code, FY2026.
Applicable to
- Blackout
- Fainting
- Vasovagal attack
Excludes1 (never code together)
- cardiogenic shock (R57.0)
- carotid sinus syncope (G90.01)
- heat syncope (T67.1)
- neurocirculatory asthenia (F45.8)
- neurogenic orthostatic hypotension (G90.3)
- orthostatic hypotension (I95.1)
- postprocedural shock (T81.1-)
- psychogenic syncope (F48.8)
- shock NOS (R57.9)
- shock complicating or following abortion or ectopic or molar pregnancy (O00-O07, O08.3)
- shock complicating or following labor and delivery (O75.1)
- Stokes-Adams attack (I45.9)
- unconsciousness NOS (R40.2-)
Applies from R55 Syncope and collapse
Applicable to
- Blackout
- Fainting
- Vasovagal attack
Excludes1 (never code together)
- cardiogenic shock (R57.0)
- carotid sinus syncope (G90.01)
- heat syncope (T67.1)
- neurocirculatory asthenia (F45.8)
- neurogenic orthostatic hypotension (G90.3)
- orthostatic hypotension (I95.1)
- postprocedural shock (T81.1-)
- psychogenic syncope (F48.8)
- shock NOS (R57.9)
- shock complicating or following abortion or ectopic or molar pregnancy (O00-O07, O08.3)
- shock complicating or following labor and delivery (O75.1)
- Stokes-Adams attack (I45.9)
- unconsciousness NOS (R40.2-)
MS-DRG index
Defines the logic of DRG(s) 312 in MDC 05.
Approximate ICD-9-CM (GEMs)
780.2 Syncope and collapse
Code annotations containing back-references to R55
Back-references to R55
- Code First:
R05.4 Cough syncope ("syncope and collapse (R55)") - Type 2 Excludes:
R29.2 Abnormal reflex ("vasovagal reaction or syncope (R55)")
Back-references to R55
- Code First:
R05.4 Cough syncope ("syncope and collapse (R55)") - Type 2 Excludes:
R29.2 Abnormal reflex ("vasovagal reaction or syncope (R55)")
Diagnosis Index entries for R55
- Arrhythmia (auricle)(cardiac)(juvenile)(nodal)(reflex)(supraventricular)(transitory)(ventricle) › vagal
- Attack, attacks › drop NEC
- Attack, attacks › syncope
- Attack, attacks › unconsciousness
- Attack, attacks › vasomotor
- Attack, attacks › vasovagal (paroxysmal) (idiopathic)
- Blackout
- Collapse
- Collapse › general
- Drop (in) › attack NEC
- Fainting (fit)
- Fit › fainting
- Gower's › syndrome (vasovagal attack)
- Instability › vasomotor
- Loss (of) › consciousness, transient
- Near-syncope
- Phenomenon › vasomotor
- Phenomenon › vasovagal
- Pre-syncope
- Reflex › vasovagal
- Syncope (near) (pre-)
- Syncope (near) (pre-) › cardiac
- Syncope (near) (pre-) › heart
- Syncope (near) (pre-) › vasoconstriction
- Syncope (near) (pre-) › vasodepressor
- Syncope (near) (pre-) › vasomotor
- Syncope (near) (pre-) › vasovagal
- Syndrome › Gower's
- Syndrome › vasovagal
- Vasovagal attack (paroxysmal)
Nearby codes
R55 Syncope and collapse (this code)