G44.051

Billable
ChapterG00–G99
Ranksubcategory
Official Description

Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT), intractable

Metadata & Insights
  • 2026 ICD-10-CM Edition - Effective October 1, 2025.
  • Billable/specific code (valid for reimbursement).
  • Chapter 6: Diseases of the Nervous System (G00-G99).
General instructions are available for the parent sections:

Clinical Hierarchy

CH6Diseases of the nervous system (G00-G99)
G40-G47Episodic and paroxysmal disorders (G40-G47)
G44Other headache syndromes
G44.0Cluster headaches and other trigeminal autonomic cephalgias (TAC)
G44.05Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT)
G44.051Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT), intractable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G44.051:

categoryG44
Other headache syndromes
View context instructions
chapterCH6
Diseases of the nervous system (G00-G99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to G44.051. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

3 raw paths

MS-DRG Classification

2026 v43.1

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

Cross Reference

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