R55
Billable codeSyncope and collapse
The ICD-10 code for syncope and collapse is R55.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
- 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-)
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Blackout
- Fainting
- Vasovagal attack
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- R50Fever of other and unknown originnon-billable header
- R51Headachenon-billable header
- R52Pain, unspecified
- R53Malaise and fatiguenon-billable header
- R54Age-related physical debility
- R56Convulsions, not elsewhere classifiednon-billable header
- R57Shock, not elsewhere classifiednon-billable header
- R58Hemorrhage, not elsewhere classified
- R59Enlarged lymph nodesnon-billable header
- R60Edema, not elsewhere classifiednon-billable header
- R61Generalized hyperhidrosis
- R62Lack of expected normal physiological development in childhood and adultsnon-billable header
- R63Symptoms and signs concerning food and fluid intakenon-billable header
- R64Cachexia
- R65Symptoms and signs specifically associated with systemic inflammation and infectionnon-billable header
- R68Other general symptoms and signsnon-billable header
- R69Illness, unspecified
- R55Syncope and collapse
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 7802
Associated MS-DRGs
R55 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.