2026 ICD-10-CM Diagnosis Code A52.16Charcot's arthropathy (tabetic)

ICD-10-CM Codes›A00–B99›A50-A64›A52

ICD-10-CM A52.16
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

A52.16 is a billable ICD-10-CM diagnosis code for Charcot's arthropathy (tabetic). It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). Coders also document this condition as arthropathy associated with bacterial disease. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified bone disease and musculoskeletal deformities and Sexually transmitted infections (excluding HIV and hepatitis).

Code Identity

ICD-10-CM Code
A52.16
Billable Status
Yes — Valid for Submission
Code Describes
Charcot's arthropathy (tabetic)
Short Description
Charcot's arthropathy (tabetic)
Same as the full description in the CMS dataset.
Parent Code
A52.1
Symptomatic neurosyphilis

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionA50-A64Infections with a predominantly sexual mode of transmission
CategoryA52Late syphilis
This CodeA52.16Charcot's arthropathy (tabetic)

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Arthropathy associated with bacterial disease
  • Charcot arthropathy due to syphilis
  • Charcot's arthropathy
  • Tabetic joint
  • Tabetic neurosyphilis

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Arthritis, arthritic(acute) (chronic) (nonpyogenic) (subacute)
      • syphilitic (late)
    • Arthritis, arthritic(acute) (chronic) (nonpyogenic) (subacute)
      • syphilitica deformans (Charcot)
    • Arthropathy
      • tabes dorsalis
    • Arthropathy
      • tabetic
    • Charcot's
      • disease (tabetic arthropathy)
    • Charcot's
      • joint (disease) (tabetic)
    • Syphilis, syphilitic(acquired)
      • Charcot's joint
    • Tabes, tabetic
      • with
        • Charcot's joint
    • Tabes, tabetic
      • arthropathy (Charcot)

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR MUS028
Other specified bone disease and musculoskeletal deformities
Default principal diagnosis: inpatient No · outpatient No
CCSR INF010
Sexually transmitted infections (excluding HIV and hepatitis)
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Degenerative Nerve Diseases

Degenerative nerve diseases affect many of your body's activities, such as balance, movement, talking, breathing, and heart function. Many of these diseases are genetic. Sometimes the cause is a medical condition such as alcoholism, a tumor, or a stroke. Other causes may include toxins, chemicals, and viruses.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert A52.16 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
094.0 Tabes dorsalis
ApproximateCombination The match is approximate, and more than one code can be needed to describe the source diagnosis. Confirm with contextual judgment.
ICD-9-CM
713.5 Arthropathy w nerve dis
ApproximateCombination The match is approximate, and more than one code can be needed to describe the source diagnosis. Confirm with contextual judgment.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About A52.16Overview

Is A52.16 (Symptomatic neurosyphilis) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report Charcot's arthropathy (tabetic) on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What is the ICD-9 equivalent of A52.16?

Under the General Equivalence Mappings, Charcot's arthropathy (tabetic) converts to ICD-9-CM 094.0 (tabes dorsalis) and 713.5 (arthropathy w nerve dis). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.