All ICD10 Codes

M31.3

Non-Billable
ChapterM00–M99
Ranksubcategory
Official Description

Wegener's granulomatosis

Use a more specific code (2 billable)
M31.30Wegener's granulomatosis without renal involvementM31.31Wegener's granulomatosis with renal involvement
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).

Instructional Notes

Includes
  • Granulomatosis with polyangiitis
  • Necrotizing respiratory granulomatosis
General instructions are available for the parent sections:
View CH13 NotesView M30-M36 Notes

Clinical Hierarchy

BillableHas subcodes
CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M30-M36Systemic connective tissue disorders (M30-M36)
M31Other necrotizing vasculopathies
M31.3Wegener's granulomatosisNot billable
M31.30Wegener's granulomatosis without renal involvementBillable
M31.31Wegener's granulomatosis with renal involvementBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M31.3:

blockM30-M36
Systemic connective tissue disorders (M30-M36)
View context instructions
chapterCH13
Diseases of the musculoskeletal system and connective tissue (M00-M99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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