All ICD10 Codes
R55Billable

Syncope and collapse

Symptoms, Signs and Abnormal Clinical and Laboratory Findings·General symptoms and signs (R50-R69)·category·FY 2026

CH18 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • abnormal findings on antenatal screening of mother (O28.-)
  • certain conditions originating in the perinatal period (P04-P96)
  • signs and symptoms classified in the body system chapters
  • signs and symptoms of breast (N63, N64.5)

Instructional Notes

Includes
  • Blackout
  • Fainting
  • Vasovagal attack
Excludes1(Not coded here. Use a different code.)
  • 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-)

Clinical Hierarchy

BillableHas subcodes
CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R50-R69General symptoms and signs (R50-R69)
R55Syncope and collapseBillable

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 312
Syncope and Collapse