ICD-10-CM 2027
ICD-10 code for laryngeal syncope
From the official ICD-10-CM alphabetic index entry “Syncope (near) (pre-) › laryngeal”. Page updated September 29, 2026.
About coding laryngeal syncope
The ICD-10-CM code for laryngeal syncope is R05.4 (Cough syncope).
Within R05 (cough), R05.4 is specifically for cough syncope. Related codes cover acute cough (R05.1), subacute cough (R05.2), chronic cough (R05.3), other specified cough (R05.8) and unspecified (R05.9).
Code first: syncope and collapse (R55).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Common questions about laryngeal syncope ICD-10 codes
What is the ICD-10 code for laryngeal syncope?
- R05.4 — Cough syncope.
Is R05.4 billable?
- Yes. R05.4 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can R05.4 be used as a principal diagnosis?
- No. It is not acceptable as the principal diagnosis for an inpatient stay; it may be reported as a secondary diagnosis.
Is R05.4 a CC or MCC?
- No. R05.4 is neither a CC nor an MCC under MS-DRG v44.0.