ICD-10-CM 2026 · Effective October 1, 2025

ICD-10 N63.20

Billable / Specific

Unspecified lump in the left breast, unspecified quadrant

N63
Block
0
Synonyms
0
LCDs
2
Payer Policies
0
Linked CPTs

About ICD-10-CM N63.20

ICD-10-CM code N63.20 represents Unspecified lump in the left breast, unspecified quadrant. This is a billable/specific code in the Genitourinary System chapter (block N63). The 2026 edition of ICD-10-CM N63.20 became effective on October 1, 2025.

Medicare LCD Coverage for N63.20

Local Coverage Determinations (LCDs) from CMS MACs that list N63.20 as a covered diagnosis.

No Medicare LCDs reference N63.20 as covered

This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.

Commercial Payer Coverage

Coverage policies from major commercial payers referencing N63.20.

2 policies

2 Cigna

Preventive Care Services - (A004)
Policy ID: AD_A004
Transvaginal Ultrasound, Non-Obstetrical - (0398)
Policy ID: MM_0398

CPT Codes Commonly Billed with N63.20

Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.

No procedure linkages on file for N63.20

We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.

ICD-10 N63.20, Billing FAQ

Is ICD-10 code N63.20 billable? +

Yes, N63.20 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.

Get the full PayerReady toolkit

Free access to CPT/ICD-10 lookup, denial appeals, fee comparator, and claim auditing with credentialing enrollment.

Start free →

Run this code through our claim audit tool

Check NCCI bundling, MUE limits, and modifier logic before submission.

Try the auditor →

Did this page help?

Quick signal so we know what to improve.

Thanks!

If you want a code reference page that doesn't exist yet, email coding@payerready.com.

Sorry to hear that.

Tell us what's missing or wrong: coding@payerready.com. We respond within 5 business days.

Reviewed by the PayerReady Medical Coding Team

Verified against the CMS 2026 code set on May 31, 2026.

Powered by 11K CPT · 98K ICD-10 · 860K MPFS rates · 4.5M NCCI edits · 9.5M NPIs. Our data methodology · About our coding team

Faster Approvals

Ready to Cut Your Enrollment Timeline in Half?

Join providers in all 50 states who handed off credentialing to a dedicated specialist. Create your free account in minutes and start enrolling the same day.

All 50 States Covered
No Long-Term Contracts
HIPAA HIPAA Compliant Platform
Dedicated Specialist Included