ICD-10-CM
ICD-10 code for Syncope: R55
The ICD-10-CM index points "Syncope" to R55, Syncope and collapse. R55 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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Index subterms
A header groups codes and is not billed. A billable code is one you can report.
- I20.89anginosa, Other forms of angina pectorisBillable
- R00.1bradycardia, Bradycardia, unspecifiedBillable
- R55cardiac, Syncope and collapseBillable
- G90.01carotid sinus, Carotid sinus syncopeBillable
- G97.1due to spinal (lumbar) puncture, Other reaction to spinal and lumbar punctureBillable
- R55heart, Syncope and collapseBillable
- T67.1heat, Heat syncopeHeader
- R05.4laryngeal, Cough syncopeBillable
- F48.8psychogenic, Other specified nonpsychotic mental disordersBillable
- R05.8tussive, Other specified coughBillable
- R55vasoconstriction, Syncope and collapseBillable
- R55vasodepressor, Syncope and collapseBillable
- R55vasomotor, Syncope and collapseBillable
- R55vasovagal, Syncope and collapseBillable
Excludes1
Excludes1 means these codes are not reported together.
- R57.0Cardiogenic shock
- G90.01Carotid sinus syncope
- T67.1Heat syncope
- F45.8Neurocirculatory asthenia
- G90.3Neurogenic orthostatic hypotension
- I95.1Orthostatic hypotension
- T81.1-Postprocedural shock
- F48.8Psychogenic syncope
- R57.9Shock NOS
- O00-O07, O08.3Shock complicating or following abortion or ectopic or molar pregnancy
- O75.1Shock complicating or following labor and delivery
- I45.9Stokes-Adams attack
- R40.2-Unconsciousness NOS
Related conditions
Related pages
- R55 code detailsNotes, nearby codes, CMS-HCC group
- Chapter 18Symptoms, signs and abnormal clinical findings
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Syncope?
The ICD-10-CM index points "Syncope" to R55, Syncope and collapse. R55 is a billable code.
Is R55 billable?
Yes. R55 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to R55?
The CDC tabular list gives 13 Excludes1 notes (not coded together) for R55 and the categories above it. They are listed on this page.
What chapter is R55 in?
Chapter 18. Symptoms, signs and abnormal clinical findings.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.