All ICD10 Codes

R51.0

Billable
ChapterR00–R99
Ranksubcategory
Official Description

Headache with orthostatic component, not elsewhere classified

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (R00-R99).

Instructional Notes

Includes
  • Headache with positional component, not elsewhere classified
General instructions are available for the parent sections:
View CH18 NotesView R51 Notes

Clinical Hierarchy

CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R50-R69General symptoms and signs (R50-R69)
R51Headache
R51.0Headache with orthostatic component, not elsewhere classified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R51.0:

chapterCH18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to R51.0. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

2 raw paths
Headache2 unique routes
with(2 variants)
orthostatic component NEC→R51.0
positional component NEC→R51.0

MS-DRG Classification

2026 v43.1

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

DRG 102
Headaches with MCC
DRG 103
Headaches without MCC

Cross Reference

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