Is A52.78 a billable ICD-10-CM code?

Yes. A52.78 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does A52.78 sit in the tabular list?

Certain infectious and parasitic diseases (A00-B99), in the block Infections with a predominantly sexual mode of transmission (A50-A64).

A52.78

A52.78 — Syphilis of other musculoskeletal tissue

Billable / specific codeICD-10-CM

A52.78 is a billable, specific ICD-10-CM code for syphilis of other musculoskeletal tissue. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

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

Other codes that can never be billed with A52.78

These codes carry an Excludes1 note pointing at A52.78. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading A52.78 alone.

M63Disorders of muscle in diseases classified elsewhere

Risk adjustment

A52.78 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

How A52.78 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to A52.78.

Verneuil's disease(syphilitic bursitis)
Bursitis›syphilitic
Leontiasis›syphilitic(late)
Synovitis›syphilitic
Syphilis, syphilitic›bursa(late)
Syphilis, syphilitic›muscle
Syphilis, syphilitic›synovium
Syphilis, syphilitic›tendon(late)
Atrophy, atrophic›muscle, muscular›syphilitic
Synovitis›in›syphilis(late)
Tenosynovitis›in›syphilis(late)
Myositis›in›syphilis›late

Related codes at this level

Codes that share A52.7. If A52.78 is not quite right, the correct code is usually one of these.

Questions about A52.78

Is A52.78 a billable ICD-10-CM code?: Yes. A52.78 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does A52.78 sit in the tabular list?: Certain infectious and parasitic diseases (A00-B99), in the block Infections with a predominantly sexual mode of transmission (A50-A64).