A52.2: Asymptomatic neurosyphilis
A52.2, asymptomatic neurosyphilis, is listed as a covered diagnosis in 5 Medicare billing and coding articles that apply to 3 HCPCS Level II codes, including G0127 (Trimming of dystrophic nails, any number), A9585 (Injection, gadobutrol, 0.1 ml), Q9953 (Injection, iron-based magnetic resonance contrast agent…). The articles come from 4 Medicare contractors. A listed diagnosis supports medical necessity only; coverage still depends on the LCD's criteria and on documentation in the medical record.
HCPCS Level II codes with A52.2 as a covered diagnosis
| Code | Description | Medicare coverage | DMEPOS fee 2026 (state range) | Articles listing it |
|---|---|---|---|---|
| G0127 | Trimming of dystrophic nails, any number | Special coverage instructions apply | — | 4 |
| A9585 | Injection, gadobutrol, 0.1 ml | Carrier judgment | — | 1 |
| Q9953 | Injection, iron-based magnetic resonance contrast agent, per ml | Special coverage instructions apply | — | 1 |
Medicare policy articles listing A52.2
- A57954: Billing and Coding: Routine Foot Care (Noridian Healthcare Solutions, LLC (MAC - Part A, MAC - Part B); 1 Level II codes). LCD with the same title: L33941, L35138, L37643
- A52996: Billing and Coding: Routine Foot Care (Novitas Solutions, Inc. (MAC - Part A, MAC - Part B); 1 Level II codes). LCD with the same title: L33941, L35138, L37643
- A56232: Billing and Coding: Foot Care (WPS Insurance Corporation (MAC - Part A, MAC - Part B); 1 Level II codes)
- A56680: Billing and Coding: Routine Foot Care (Palmetto GBA (MAC - Part A, MAC - Part B); 1 Level II codes). LCD with the same title: L33941, L35138, L37643
- A57206: Billing and Coding: Lumbar MRI (Noridian Healthcare Solutions, LLC (MAC - Part A, MAC - Part B); 2 Level II codes). LCD with the same title: L34220
A diagnosis listed as covered in a billing and coding article supports medical necessity for the article's codes; it does not guarantee payment. Coverage depends on the LCD's criteria, the contractor's jurisdiction and documentation in the medical record.
Other A52 diagnoses (Late syphilis)
- A52.01 — Syphilitic aneurysm of aorta
- A52.02 — Syphilitic aortitis
- A52.03 — Syphilitic endocarditis
- A52.06 — Other syphilitic heart involvement
- A52.10 — Symptomatic neurosyphilis, unspecified
- A52.11 — Tabes dorsalis
- A52.13 — Late syphilitic meningitis
- A52.14 — Late syphilitic encephalitis
- A52.15 — Late syphilitic neuropathy
- A52.16 — Charcot's arthropathy (tabetic)
- A52.17 — General paresis
- A52.19 — Other symptomatic neurosyphilis
- A52.3 — Neurosyphilis, unspecified
- A52.76 — Other genitourinary symptomatic late syphilis
Frequently asked questions
Does Medicare cover A52.2 (Asymptomatic neurosyphilis)?
Medicare covers items and services, not diagnoses. 5 Medicare billing and coding articles list A52.2 as a covered diagnosis for 3 HCPCS Level II codes: the diagnosis can support medical necessity for those codes, but payment still depends on the LCD's coverage criteria and the medical record.
Which HCPCS codes can be billed with ICD-10 A52.2?
The Level II codes from the policies most specific to this diagnosis are G0127 (Trimming of dystrophic nails, any number, 4 articles); A9585 (Injection, gadobutrol, 0.1 ml, 1 article); Q9953 (Injection, iron-based magnetic resonance contrast agent…, 1 article). Code choice depends on the item supplied; check each code's descriptor.
Which Medicare policy articles list A52.2?
A57954 (Billing and Coding: Routine Foot Care); A52996 (Billing and Coding: Routine Foot Care); A56232 (Billing and Coding: Foot Care), and 2 more articles.
What is ICD-10-CM code A52.2?
A52.2 is the ICD-10-CM code for asymptomatic neurosyphilis, in category A52 (Late syphilis), chapter 1: Certain infectious and parasitic diseases.
Next steps
- Run a reimbursement report for a device billed under G0127
- Watch G0127 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for G0127
Sources: CMS Medicare Coverage Database billing and coding articles (covered ICD-10 code lists and HCPCS links); ICD-10-CM FY2026; CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule 2026 (non-rural state fees). Not billing or legal advice.
Chapter 1: Certain infectious and parasitic diseases · All diagnoses · HCPCS lookup