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

ICD-10 A52.15

Billable / Specific CC

Late syphilitic neuropathy

A52
Block
4
Synonyms
353
LCDs
30
Payer Policies
73
Linked CPTs

About ICD-10-CM A52.15

ICD-10-CM code A52.15 represents Late syphilitic neuropathy. This is a billable/specific code in the Infectious and Parasitic Diseases chapter (block A52). The 2026 edition of ICD-10-CM A52.15 became effective on October 1, 2025.

Coding Tips for A52.15

Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.

Inpatient DRG impact: CC

A52.15 is designated CC for MS-DRG grouping. On inpatient claims, this code can shift the DRG to the with-CC variant when documented as a present-on-admission secondary diagnosis. Hospital CDI programs flag CC opportunities during chart review. Failure to capture this code may leave 30 to 80 percent of the inpatient stay revenue unrealized.

Inclusion Terms / Approximate Synonyms

Clinical terms and conditions classified under A52.15. Per CMS ICD-10-CM Tabular 2026.

  • Late syphilitic acoustic neuritis
  • Late syphilitic optic (nerve) atrophy
  • Late syphilitic polyneuropathy
  • Late syphilitic retrobulbar neuritis

Inpatient DRG Impact, CC

codes Late syphilitic neuropathy. As a Complication/Comorbidity (CC), this contributes to DRG severity adjustment when documented alongside the principal diagnosis.

Medicare LCD Coverage for A52.15

Local Coverage Determinations (LCDs) from CMS MACs that list A52.15 as a covered diagnosis.

353 LCDs

Showing top 10 of 353 total . Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
Article ID: 53060, Effective: 2025-10-01 00:00:00, 1692 covered, 0 non-covered
CPT 92201 →
CMS LCD: Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
Article ID: 53060, Effective: 2025-10-01 00:00:00, 1692 covered, 0 non-covered
CPT 92250 →
CMS LCD: Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
Article ID: 53060, Effective: 2025-10-01 00:00:00, 1692 covered, 0 non-covered
CPT 92202 →
CMS LCD: Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
Article ID: 53060, Effective: 2025-10-01 00:00:00, 1692 covered, 0 non-covered
CPT 92227 →
CMS LCD: Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
Article ID: 53060, Effective: 2025-10-01 00:00:00, 1692 covered, 0 non-covered
CPT 92228 →
CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography
Article ID: 57668, Effective: 2025-10-01 00:00:00, 1629 covered, 0 non-covered
CPT 95909 →
CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography
Article ID: 57668, Effective: 2025-10-01 00:00:00, 1629 covered, 0 non-covered
CPT 95887 →
CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography
Article ID: 57668, Effective: 2025-10-01 00:00:00, 1629 covered, 0 non-covered
CPT 95912 →
CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography
Article ID: 57668, Effective: 2025-10-01 00:00:00, 1629 covered, 0 non-covered
CPT 95999 →
CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography
Article ID: 57668, Effective: 2025-10-01 00:00:00, 1629 covered, 0 non-covered
CPT 95910 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing A52.15.

30 policies

3 Cigna

Autonomic Nerve Function Testing - (0506)
Policy ID: MM_0506
Electrodiagnostic Testing (EMG/NCV) - (CPG129)
Policy ID: CPG129_EMG_NCV_SSEP
Orthotic Devices and Shoes - (0543)
Policy ID: MM_0543

5 Medicare

Billing and Coding: Routine Foot Care
Policy ID: ART-52996
Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
Policy ID: ART-53060
Billing and Coding: Nerve Conduction Studies and Electromyography
Policy ID: ART-54095
Billing and Coding: Nerve Conduction Studies and Electromyography
Policy ID: ART-54969
Billing and Coding: Foot Care
Policy ID: ART-56232

CPT Codes Commonly Billed with A52.15

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

73 linkages
  • 95860 CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography CMS LCD
  • 95874 CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography CMS LCD
  • 95937 CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography CMS LCD
  • G0255 CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography CMS LCD
  • 95861 CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography CMS LCD
  • 95913 CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography CMS LCD
  • 95887 CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography CMS LCD
  • 95863 CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography CMS LCD
  • 95873 CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography CMS LCD
  • 95909 CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography CMS LCD

Convert A52.15 to ICD-9-CM

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

ICD-10ICD-9Mapping Flags
A52.15 09484 10000
A52.15 09485 10000
A52.15 09486 10000
A52.15 09489 10111
A52.15 3574 10112

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

ICD-10 A52.15, Billing FAQ

Is ICD-10 code A52.15 billable? +

Yes, A52.15 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.

What other names or terms map to A52.15? +

ICD-10 A52.15 includes: Late syphilitic acoustic neuritis; Late syphilitic optic (nerve) atrophy; Late syphilitic polyneuropathy, and 1 more clinical synonyms.

Is A52.15 a CC or MCC for inpatient DRG? +

Yes, this code is designated as CC. Documenting as a secondary diagnosis on inpatient claims can shift the DRG to a higher-weighted category.

What CPT codes are commonly billed with A52.15? +

Procedures frequently paired with A52.15 include: 95860, 95874, 95937, G0255, 95861.

What ICD-9 codes does A52.15 map to? +

Per CMS GEMs, A52.15 maps to ICD-9 codes: 09484, 09485, 09486, 09489, 3574. 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 June 1, 2026.

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