N42.32

Billable

ChapterN00–N99

Ranksubcategory

Official Description

Atypical small acinar proliferation of prostate

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

Clinical Hierarchy

CH14Diseases of the genitourinary system (N00-N99)

N40-N53Diseases of male genital organs (N40-N53)

N42Other and unspecified disorders of prostate

N42.3Dysplasia of prostate

N42.32Atypical small acinar proliferation of prostate

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to N42.32:

chapterCH14

Diseases of the genitourinary system (N00-N99)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to N42.32. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

1 raw paths

Proliferation (s)1 unique routes

prostate, atypical small acinar→N42.32

MS-DRG Classification

2026 v43.1

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

DRG 729

Other Male Reproductive System Diagnoses with CC/MCC

DRG 730

Other Male Reproductive System Diagnoses without CC/MCC

Cross Reference

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