R55
BillableSyncope and collapse
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A sudden loss of consciousness and collapse, often accompanied by a brief loss of muscle tone. The person typically recovers quickly without lasting effects.
Coding Tips
- •Investigate and document the cause of syncope (heart rhythm problems, low blood pressure, neurological issues)
- •Code any identified underlying cause in addition to this symptom code
Excludes 1 — Do NOT 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-)
Code Hierarchy
└R55Syncope and collapse
└R55Syncope and collapse