A52.10 – Symptomatic neurosyphilis, unspecified

ICD-10-CM 2027 diagnosis code · Infections with a predominantly sexual mode of transmission

Billable code

ICD-10-CM code A52.10

Code: A52.10 (claims format: A5210)
Description: Symptomatic neurosyphilis, unspecified
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 1. Certain infectious and parasitic diseases (A00-B99)
Block: A50-A64 Infections with a predominantly sexual mode of transmission
Parent codes: A52 › A52.1

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block A50-A64

Excludes1 (not coded here):

nonspecific and nongonococcal urethritis (N34.1)
Reiter's disease (M02.3-)

Excludes2 (not included here):

human immunodeficiency virus [HIV] disease (B20)

Index terms for A52.10

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in A52.1

A52.11 – Tabes dorsalisBillable
A52.12 – Other cerebrospinal syphilisBillable
A52.13 – Late syphilitic meningitisBillable
A52.14 – Late syphilitic encephalitisBillable
A52.15 – Late syphilitic neuropathyBillable
A52.16 – Charcot's arthropathy (tabetic)Billable
A52.17 – General paresisBillable
A52.19 – Other symptomatic neurosyphilisBillable

Frequently asked questions

What is ICD-10 code A52.10?

A52.10 is the ICD-10-CM code for symptomatic neurosyphilis, unspecified, in the block A50-A64 (Infections with a predominantly sexual mode of transmission).

Is A52.10 a billable code?

Yes. A52.10 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does A52.10 belong to?

It belongs to category A52 – Late syphilis.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.