All ICD10 Codes

A52

Non-Billable
ChapterA00–B99
Rankcategory
Official Description

Late syphilis

Use a more specific code (4 billable, 3 non-billable)
A52.0Cardiovascular and cerebrovascular syphilishas subcodesA52.1Symptomatic neurosyphilishas subcodesA52.2Asymptomatic neurosyphilisA52.3Neurosyphilis, unspecifiedA52.7Other symptomatic late syphilishas subcodesA52.8Late syphilis, latentA52.9Late syphilis, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).

CH1 Parent Instructions

Includes
  • diseases generally recognized as communicable or transmissible
Excludes1(Not coded here. Use a different code.)
  • certain localized infections - see body system-related chapters
Excludes2(Not included here. Code separately if applicable.)
  • carrier or suspected carrier of infectious disease (Z22.-)
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)
Use Additional Code
  • code to identify resistance to antimicrobial drugs (Z16.-)

A50-A64 Parent Instructions

Excludes1(Not coded here. Use a different code.)
  • nonspecific and nongonococcal urethritis (N34.1)
  • Reiter's disease (M02.3-)
Excludes2(Not included here. Code separately if applicable.)
  • human immunodeficiency virus [HIV] disease (B20)

Clinical Hierarchy

BillableHas subcodes
CH1Certain infectious and parasitic diseases (A00-B99)
A50-A64Infections with a predominantly sexual mode of transmission (A50-A64)
A52Late syphilisNot billable
A52.0Cardiovascular and cerebrovascular syphilisSubcodes
A52.1Symptomatic neurosyphilisSubcodes
A52.2Asymptomatic neurosyphilisBillable
A52.3Neurosyphilis, unspecifiedBillable
A52.7Other symptomatic late syphilisSubcodes
A52.8Late syphilis, latentBillable
A52.9Late syphilis, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to A52:

blockA50-A64
Infections with a predominantly sexual mode of transmission (A50-A64)
View context instructions
chapterCH1
Certain infectious and parasitic diseases (A00-B99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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