What does ICD-10 code A52.78 mean?

ICD-10 code A52.78 is the standardized code used for syphilis of other musculoskeletal tissue in medical records and coding systems.

When is ICD-10 code A52.78 used?

Doctors, hospitals, and insurers may use ICD-10 code A52.78 when recording syphilis of other musculoskeletal tissue in a standardized format.

Does ICD-10 code A52.78 confirm a diagnosis?

No. A code helps standardize documentation and claims, but it should not be read as a substitute for a clinician's full assessment.

ICD10BillableValid for clinical use

ICD-10 Code A52.78: Syphilis of other musculoskeletal tissue

Name: ICD-10 Code A52.78: Syphilis of other musculoskeletal tissue
Creator: HealthAssure Clinical Team
Published: 2026-05-21T06:00:34.840Z

A52.78 is a billable ICD-10 diagnosis code used to classify Syphilis of other musculoskeletal tissue in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Certain infectious and parasitic diseases (A00-B99).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Certain infectious and parasitic diseases (A00-B99).

When is it used?

May be used when a clinician documents syphilis of other musculoskeletal tissue in a patient's medical record.
May appear in hospital records, claims, referrals, and clinical documentation.
This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

A code alone does not explain severity, treatment plan, or outcome.
A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter

1Certain infectious and parasitic diseases (A00-B99)

block

A50-A64Infections with a predominantly sexual mode of transmission

Official coding notes

Inclusion terms

Late syphilitic bursitis
Syphilis [stage unspecified] of bursa
Syphilis [stage unspecified] of muscle
Syphilis [stage unspecified] of synovium
Syphilis [stage unspecified] of tendon

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

Infectious Disease SpecialistGeneral Physician

Sibling codes

A52.71Late syphilitic oculopathybillable A52.72Syphilis of lung and bronchusbillable A52.73Symptomatic late syphilis of other respiratory organsbillable A52.74Syphilis of liver and other viscerabillable A52.75Syphilis of kidney and ureterbillable A52.76Other genitourinary symptomatic late syphilisbillable A52.77Syphilis of bone and jointbillable A52.79Other symptomatic late syphilisbillable

Coding guidelines

Common synonyms

Syphilis of other musculoskeletal tissue

Frequently asked questions

Code details

CodeA52.78

SystemICD10

Display nameSyphilis of other musculoskeletal tissue

ChapterCertain infectious and parasitic diseases (A00-B99)

BlockInfections with a predominantly sexual mode of transmission

Flags

BillableYes

Valid clinical useYes

Source

SourceICD-10

Version2026-annual

Releaseannual

Year2026

Index terms

Matched terms

Atrophy, atrophic(of)BursitisLeontiasisMyositisSynovitisSynovitisSyphilis, syphilitic(acquired)Syphilis, syphilitic(acquired)Syphilis, syphilitic(acquired)Syphilis, syphilitic(acquired)TenosynovitisVerneuil's disease(syphilitic bursitis)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.