A53.0 – Latent syphilis, unspecified as early or late
ICD-10-CM 2027 diagnosis code · Infections with a predominantly sexual mode of transmission
- Code
A53.0(claims format:A530)- Description
- Latent syphilis, unspecified as early or late
- 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
- A53
Notes for A53.0
- Latent syphilis NOS
- Positive serological reaction for syphilis
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block A50-A64
- human immunodeficiency virus [HIV] disease (B20)
Index terms for A53.0
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Positive, VDRL
- Syphilis, syphilitic, latent
- Positive, Wassermann reaction
- Positive, serology for syphilis
- Serology for syphilis, positive
- Serology for syphilis, reactivated
- Syphilis, syphilitic, latent, positive serology
- Syphilis, syphilitic, latent, follow-up of latent syphilis
- Syphilis, syphilitic, latent, date of infection unspecified
- Syphilis, syphilitic, latent, positive serology, date of infection unspecified
- Syphilis, syphilitic, latent, follow-up of latent syphilis, date of infection unspecified
Related codes in A53
- A53.9 – Syphilis, unspecifiedBillable
Frequently asked questions
What is ICD-10 code A53.0?
A53.0 is the ICD-10-CM code for latent syphilis, unspecified as early or late, in the block A50-A64 (Infections with a predominantly sexual mode of transmission).
Is A53.0 a billable code?
Yes. A53.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does A53.0 belong to?
It belongs to category A53 – Other and unspecified 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.