D24

Non-Billable
ChapterC00–D49
Rankcategory
Official Description

Benign neoplasm of breast

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 2: Neoplasms (C00-D49).

Instructional Notes

Includes
  • benign neoplasm of connective tissue of breast
  • benign neoplasm of soft parts of breast
  • fibroadenoma of breast
Excludes2(Not included here)
  • adenofibrosis of breast (N60.2)
  • benign cyst of breast (N60.-)
  • benign mammary dysplasia (N60.-)
  • benign neoplasm of skin of breast (D22.5, D23.5)
  • fibrocystic disease of breast (N60.-)

Clinical Hierarchy

CH2Neoplasms (C00-D49)
D10-D36Benign neoplasms, except benign neuroendocrine tumors (D10-D36)
D24Benign neoplasm of breast
D24.1Benign neoplasm of right breast
D24.2Benign neoplasm of left breast
D24.9Benign neoplasm of unspecified breast

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to D24. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

15 raw paths
Adenoma2 unique routes
apocrine
breast→D24
nipple→D24
Adenomatosis1 unique routes
erosive of nipple→D24
Cystosarcoma phyllodes1 unique routes
benign→D24
Fibroadenoma9 unique routes
cellular intracanalicular→D24
giant→D24
intracanalicular(3 variants)
cellular→D24
giant→D24
unspecified site→D24
juvenile→D24
pericanalicular
unspecified site→D24
phyllodes→D24
unspecified site→D24
Papillomatosis1 unique routes
subareolar duct→D24
Tumor1 unique routes
phyllodes
benign→D24

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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