Symptoms, Signs and Abnormal Clinical and Laboratory Findings

ICD-10 Code: R55

Syncope and Collapse

Fainting or loss of consciousness due to temporary reduced cerebral blood flow.

Clinical Information

Fainting or loss of consciousness due to temporary reduced cerebral blood flow. Common in US healthcare settings with specific coding requirements per ICD-10-CM guidelines.

Coding Guidelines

  • 1Use R55 when clinical documentation supports this diagnosis
  • 2Verify specificity requirements per ICD-10-CM Official Guidelines
  • 3Code to highest level of specificity documented
  • 4Consider associated conditions and combination coding rules

Common Uses

  • Primary diagnosis in ambulatory settings
  • Secondary diagnosis in inpatient settings
  • ED/urgent care encounters
  • Follow-up and monitoring visits

Related ICD-10 Codes

R55.XRelated code in same category
See ICD-10-CM manualFor complete related code list

Documentation Requirements

  • Physician documentation must clearly state diagnosis
  • Include severity, laterality, and specificity when applicable
  • Document underlying cause if known
  • Note acute vs. chronic where relevant

Real-World Coding Examples

Patient presents with syncope and collapse. Clinical findings support R55 diagnosis.

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Medical coding for Symptoms, Signs and Abnormal Clinical and Laboratory Findings