Is A52.79 a billable ICD-10-CM code?

Yes. A52.79 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does A52.79 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).

What cannot be coded together with A52.79?

A52.79 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

A52.79

A52.79 — Other symptomatic late syphilis

Billable / specific codeICD-10-CM

A52.79 is a billable, specific ICD-10-CM code for other symptomatic late syphilis. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

syphilitic leukoderma (secondary) (A51.39)

Inclusion terms

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

Late syphilitic leukoderma
Syphilis of adrenal gland
Syphilis of pituitary gland
Syphilis of thyroid gland
Syphilitic splenomegaly

Other codes that can never be billed with A52.79

These codes carry an Excludes1 note pointing at A52.79. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading A52.79 alone.

L99Other disorders of skin and subcutaneous tissue in diseases classified elsewhere
A51.39Other secondary syphilis of skin
D73.1Hypersplenism
D77Other disorders of blood and blood-forming organs in diseases classified elsewhere
E35Disorders of endocrine glands in diseases classified elsewhere
H94.8Other specified disorders of ear in diseases classified elsewhere
K23Disorders of esophagus in diseases classified elsewhere

Risk adjustment

A52.79 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.

Medicare coverage

A52.79 is named in 3 Medicare coverage policies — 3 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A56551Billing and Coding: Visual Fields Testing
A56799Billing and Coding: Visual Fields Testing
A57637Billing and Coding: Visual Field Examination

How A52.79 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 A52.79.

Babinski's syndrome
Gumma(syphilitic)
Syphiloma
Anemia›syphilitic(acquired) (late)
Gumma›palate(soft)
Gumma›pituitary
Gumma›skin
Gumma›specified site NEC
Gumma›tongue
Labyrinthitis›syphilitic
Leukoplakia›syphilitic(late)
Rupia›tertiary

Related codes at this level

Codes that share A52.7. If A52.79 is not quite right, the correct code is usually one of these.

Questions about A52.79

Is A52.79 a billable ICD-10-CM code?: Yes. A52.79 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does A52.79 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).
What cannot be coded together with A52.79?: A52.79 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.