Is ICD-10-CM code N63 billable?

No, N63 (Unspecified lump in breast) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code N63 belong to?

N63 belongs to Chapter 14 of the ICD-10-CM tabular list: N00–N99 (Diseases of the Genitourinary System).

N63

Non-Billable

ChapterN00–N99

Rankcategory

Description

Unspecified lump in breast

About ICD-10-CM code N63

The ICD-10-CM tabular list places Unspecified lump in breast at code N63, inside N00-N99 Diseases of the Genitourinary System, within Disorders of breast (N60-N65). You should not submit this code on claims since it lacks billing specificity, use a child code.

Use a more specific code (1 billable, 4 non-billable)

N63.0Unspecified lump in unspecified breast N63.1Unspecified lump in the right breasthas subcodes N63.2Unspecified lump in the left breasthas subcodes N63.3Unspecified lump in axillary tailhas subcodes N63.4Unspecified lump in breast, subareolarhas subcodes

Metadata & Insights

•Non-billable category (requires more specific sub-code).
•Chapter 14: Diseases of the Genitourinary System (N00-N99).

CH14 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)

certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

N60-N65 Parent Instructions

Excludes1(Not coded here. Use a different code.)

disorders of breast associated with childbirth (O91-O92)

Instructional Notes

Includes

Nodule(s) NOS in breast

Clinical Hierarchy

BillableHas subcodes

CH14Diseases of the genitourinary system (N00-N99)

N60-N65Disorders of breast (N60-N65)

N63Unspecified lump in breastNot billable

N63.0Unspecified lump in unspecified breastBillable

N63.1Unspecified lump in the right breastSubcodes

N63.2Unspecified lump in the left breastSubcodes

N63.3Unspecified lump in axillary tailSubcodes

N63.4Unspecified lump in breast, subareolarSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to N63:

blockN60-N65

Disorders of breast (N60-N65)

View context instructions

chapterCH14

Diseases of the genitourinary system (N00-N99)

View context instructions

Code History

FY 2017: Superseded by N63.0
FY 2017: Superseded by N63.10
FY 2017: Superseded by N63.11
FY 2017: Superseded by N63.12
FY 2017: Superseded by N63.13

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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