A52.78

✓ Billable

Syphilis of other musculoskeletal tissue

Certain infectious and parasitic diseases (A00-B99)

Also Known As

Late syphilitic bursitisSyphilis [stage unspecified] of bursaSyphilis [stage unspecified] of muscleSyphilis [stage unspecified] of synoviumSyphilis [stage unspecified] of tendon

✓ No additional coding notes for A52.78

Clinical Description

ICD-10-CM code A52.78 represents syphilis of other musculoskeletal tissue. This code falls under the Certain infectious and parasitic diseases (A00-B99) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.

This is a 6-character code at the 5th level of specificity. This is the most specific code available in this subcategory.

Frequently Asked Questions

What is ICD-10 code A52.78?

ICD-10-CM code A52.78 is "Syphilis of other musculoskeletal tissue". It belongs to the category: Certain infectious and parasitic diseases (A00-B99).

Is A52.78 a billable ICD-10 code?

Yes, A52.78 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

Related Codes in A52.7

Other codes in the same category that may be relevant for differential coding:

A52.71Late syphilitic oculopathy A52.72Syphilis of lung and bronchus A52.73Symptomatic late syphilis of other respiratory organs A52.74Syphilis of liver and other viscera A52.75Syphilis of kidney and ureter A52.76Other genitourinary symptomatic late syphilis A52.77Syphilis of bone and joint A52.79Other symptomatic late syphilis

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Code Information

CodeA52.78

BillableYes

ParentA52.7

CategoryCertain infectious and parasitic diseases (A00-B99)

Excludes10 rule(s)

Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)