N64.51

Billable

ChapterN00–N99

Ranksubcategory

Official Description

Induration of breast

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 14: Diseases of the Genitourinary System (N00-N99).

General instructions are available for the parent sections:

View CH14 Notes View N60-N65 Notes View N64 Notes View N64.5 Notes

Clinical Hierarchy

CH14Diseases of the genitourinary system (N00-N99)

N60-N65Disorders of breast (N60-N65)

N64Other disorders of breast

N64.5Other signs and symptoms in breast

N64.51Induration of breast

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to N64.51:

subcategoryN64.5

Other signs and symptoms in breast

View context instructions

categoryN64

Other disorders of breast

View context instructions

blockN60-N65

Disorders of breast (N60-N65)

View context instructions

chapterCH14

Diseases of the genitourinary system (N00-N99)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to N64.51. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

1 raw paths

Induration, indurated1 unique routes

breast (fibrous)→N64.51

MS-DRG Classification

2026 v43.1

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

DRG 600

Non-Malignant Breast Disorders with CC/MCC

DRG 601

Non-Malignant Breast Disorders without CC/MCC

Cross Reference

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