Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT), not intractable

What this code is used for

This page explains the code as a billing-reference signal. It does not diagnose a person, decide medical necessity, or guarantee insurance coverage.

Codes and service categories that may appear nearby

Documents to request after a denial

• itemized bill
• EOB
• denial letter
• clinical note

Official and evidence links

• Overview of Coding and Classification Systems