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

ICD-10 N31.1

Billable / Specific

Reflex neuropathic bladder, not elsewhere classified

N31
Block
0
Synonyms
402
LCDs
20
Payer Policies
0
Linked CPTs

About ICD-10-CM N31.1

ICD-10-CM code N31.1 represents Reflex neuropathic bladder, not elsewhere classified. This is a billable/specific code in the Genitourinary System chapter (block N31). The 2026 edition of ICD-10-CM N31.1 became effective on October 1, 2025.

Medicare LCD Coverage for N31.1

Local Coverage Determinations (LCDs) from CMS MACs that list N31.1 as a covered diagnosis.

402 LCDs

Showing top 10 of 402 total . Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: Botulinum Toxin Injections
Article ID: 57186, Effective: 2026-04-09 00:00:00, 341 covered, 0 non-covered
CPT 64646 →
CMS LCD: Billing and Coding: Botulinum Toxin Injections
Article ID: 57186, Effective: 2026-04-09 00:00:00, 341 covered, 0 non-covered
CPT 52287 →
CMS LCD: Billing and Coding: Botulinum Toxin Injections
Article ID: 57186, Effective: 2026-04-09 00:00:00, 341 covered, 0 non-covered
CPT J0589 →
CMS LCD: Billing and Coding: Botulinum Toxin Injections
Article ID: 57186, Effective: 2026-04-09 00:00:00, 341 covered, 0 non-covered
CPT 64616 →
CMS LCD: Billing and Coding: Botulinum Toxin Injections
Article ID: 57186, Effective: 2026-04-09 00:00:00, 341 covered, 0 non-covered
CPT 43236 →
CMS LCD: Billing and Coding: Botulinum Toxin Injections
Article ID: 57186, Effective: 2026-04-09 00:00:00, 341 covered, 0 non-covered
CPT 64611 →
CMS LCD: Billing and Coding: Botulinum Toxin Injections
Article ID: 57186, Effective: 2026-04-09 00:00:00, 341 covered, 0 non-covered
CPT 64650 →
CMS LCD: Billing and Coding: Botulinum Toxin Injections
Article ID: 57186, Effective: 2026-04-09 00:00:00, 341 covered, 0 non-covered
CPT 31570 →
CMS LCD: Billing and Coding: Botulinum Toxin Injections
Article ID: 57186, Effective: 2026-04-09 00:00:00, 341 covered, 0 non-covered
CPT 64647 →
CMS LCD: Billing and Coding: Botulinum Toxin Injections
Article ID: 57186, Effective: 2026-04-09 00:00:00, 341 covered, 0 non-covered
CPT 64612 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing N31.1.

20 policies

2 Cigna

Electrodiagnostic Testing (EMG/NCV) - (CPG129)
Policy ID: CPG129_EMG_NCV_SSEP
Nucleic Acid Pathogen Testing - (0530)
Policy ID: MM_0530

5 Medicare

Billing and Coding: Nerve Conduction Studies and Electromyography
Policy ID: ART-54095
Billing and Coding: Retroperitoneal Ultrasound
Policy ID: ART-55336
Billing and Coding: Urodynamics
Policy ID: ART-56802
Billing and Coding: Post-Void Residual Urine and/or Bladder Capacity by Ultrasound
Policy ID: ART-57050
Billing and Coding: Nerve Conduction Studies and Electromyography
Policy ID: ART-57123

CPT Codes Commonly Billed with N31.1

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

No procedure linkages on file for N31.1

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.

Convert N31.1 to ICD-9-CM

Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.

ICD-10ICD-9Mapping Flags
N31.1 59654 10000

Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).

ICD-10 N31.1, Billing FAQ

Is ICD-10 code N31.1 billable? +

Yes, N31.1 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.

What ICD-9 codes does N31.1 map to? +

Per CMS GEMs, N31.1 maps to ICD-9 codes: 59654. Useful for legacy data review and historical claim analysis.

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Reviewed by the PayerReady Medical Coding Team

Verified against the CMS 2026 code set on July 16, 2026.

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