ICD-10-CM Codes
A00-B99 Certain infectious and parasitic diseases
A50-A64 Infections with a predominantly sexual mode of transmission
A52- Late syphilis

2020 ICD-10-CM Diagnosis Code A52.79

Other symptomatic late syphilis

2016

2017

2018

2019

2020

Billable/Specific Code

A52.79 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2020 edition of ICD-10-CM A52.79 became effective on October 1, 2019.
This is the American ICD-10-CM version of A52.79 - other international versions of ICD-10 A52.79 may differ.

Applicable To

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

Type 1 Excludes

Type 1 Excludes Help

A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as A52.79. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

syphilitic leukoderma (secondary) (
ICD-10-CM Diagnosis Code A51.39
Other secondary syphilis of skin
Applicable To
- Syphilitic leukoderma
- Syphilitic mucous patch
Type 1 Excludes
- late syphilitic leukoderma (A52.79)
A51.39
)

The following code(s) above A52.79 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to A52.79:

A00-B99
2020 ICD-10-CM Range A00-B99
Certain infectious and parasitic diseases
Includes
- diseases generally recognized as communicable or transmissible
Type 1 Excludes
- certain localized infections - see body system-related chapters
Type 2 Excludes
- carrier or suspected carrier of infectious disease (Z22.-)
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
Use Additional
- code to identify resistance to antimicrobial drugs (Z16.-)
Certain infectious and parasitic diseases
A50-A64
2020 ICD-10-CM Range A50-A64
Infections with a predominantly sexual mode of transmission
Type 1 Excludes
- human immunodeficiency virus [HIV] disease (B20)
- nonspecific and nongonococcal urethritis (N34.1)
- Reiter's disease (M02.3-)
Infections with a predominantly sexual mode of transmission

Approximate Synonyms

Late syphilitic leukoderma
Late syphilitic splenomegaly

ICD-10-CM A52.79 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):

867 Other infectious and parasitic diseases diagnoses with mcc
868 Other infectious and parasitic diseases diagnoses with cc
869 Other infectious and parasitic diseases diagnoses without cc/mcc

Convert A52.79 to ICD-9-CM

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change

Code annotations containing back-references to A52.79:

Code First: D63.8

ICD-10-CM Diagnosis Code D63.8
Anemia in other chronic diseases classified elsewhere
Code First
- underlying disease, such as:
- diphyllobothriasis (B70.0)
- hookworm disease (B76.0-B76.9)
- hypothyroidism (E00.0-E03.9)
- malaria (B50.0-B54)
- symptomatic late syphilis (A52.79)
- tuberculosis (A18.89)
Type 1 Excludes: A51.39
, K23
, H94.8
, D73.1
, D77
, E35
, L99

ICD-10-CM Diagnosis Code A51.39
Other secondary syphilis of skin
Applicable To
- Syphilitic leukoderma
- Syphilitic mucous patch
Type 1 Excludes
- late syphilitic leukoderma (A52.79)
ICD-10-CM Diagnosis Code K23
Disorders of esophagus in diseases classified elsewhere
Code First
- underlying disease, such as:
- congenital syphilis (A50.5)
Type 1 Excludes
- late syphilis (A52.79)
- megaesophagus due to Chagas' disease (B57.31)
- tuberculosis (A18.83)
ICD-10-CM Diagnosis Code H94.8
Other specified disorders of ear in diseases classified elsewhere
Code First
- underlying disease, such as:
- congenital syphilis (A50.0)
Type 1 Excludes
- aural myiasis (B87.4)
- syphilitic labyrinthitis (A52.79)
ICD-10-CM Diagnosis Code D73.1
Hypersplenism
Type 1 Excludes
- neutropenic splenomegaly (D73.81)
- primary splenic neutropenia (D73.81)
- splenitis, splenomegaly in late syphilis (A52.79)
- splenitis, splenomegaly in tuberculosis (A18.85)
- splenomegaly NOS (R16.1)
- splenomegaly congenital (Q89.0)
ICD-10-CM Diagnosis Code D77
Other disorders of blood and blood-forming organs in diseases classified elsewhere
Code First
- underlying disease, such as:
- amyloidosis (E85.-)
- congenital early syphilis (A50.0)
- echinococcosis (B67.0-B67.9)
- malaria (B50.0-B54)
- schistosomiasis [bilharziasis] (B65.0-B65.9)
- vitamin C deficiency (E54)
Type 1 Excludes
- rupture of spleen due to Plasmodium vivax malaria (B51.0)
- splenitis, splenomegaly in late syphilis (A52.79)
- splenitis, splenomegaly in tuberculosis (A18.85)
ICD-10-CM Diagnosis Code E35
Disorders of endocrine glands in diseases classified elsewhere
Code First
- underlying disease, such as:
- late congenital syphilis of thymus gland [Dubois disease] (A50.5)
Type 1 Excludes
- Echinococcus granulosus infection of thyroid gland (B67.3)
- meningococcal hemorrhagic adrenalitis (A39.1)
- syphilis of endocrine gland (A52.79)
- tuberculosis of adrenal gland, except calcification (A18.7)
- tuberculosis of endocrine gland NEC (A18.82)
- tuberculosis of thyroid gland (A18.81)
- Waterhouse-Friderichsen syndrome (A39.1)
Use Additional
- code, if applicable, to identify:
- sequelae of tuberculosis of other organs (B90.8)
ICD-10-CM Diagnosis Code L99
Other disorders of skin and subcutaneous tissue in diseases classified elsewhere
Code First
- underlying disease, such as:
- amyloidosis (E85.-)
Type 1 Excludes
- skin disorders in diabetes (E08-E13 with .62)
- skin disorders in gonorrhea (A54.89)
- skin disorders in syphilis (A51.31, A52.79)

Diagnosis Index entries containing back-references to A52.79:

Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) D64.9
ICD-10-CM Diagnosis Code D64.9
Anemia, unspecified
- syphilitic A52.79 (acquired) (late)
Atrophoderma, atrophodermia (of) L90.9
ICD-10-CM Diagnosis Code L90.9
Atrophic disorder of skin, unspecified
- maculatum L90.8
  ICD-10-CM Diagnosis Code L90.8
  Other atrophic disorders of skin
  2016 2017 2018 2019 2020 Billable/Specific Code
  - et striatum L90.8
    ICD-10-CM Diagnosis Code L90.8
    Other atrophic disorders of skin
    2016 2017 2018 2019 2020 Billable/Specific Code
    - due to syphilis A52.79
Atrophy, atrophic (of)
- macular (dermatological) L90.8
  ICD-10-CM Diagnosis Code L90.8
  Other atrophic disorders of skin
  2016 2017 2018 2019 2020 Billable/Specific Code
  - syphilitic, skin A51.39
    ICD-10-CM Diagnosis Code A51.39
    Other secondary syphilis of skin
    2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    Syphilitic leukoderma
    Syphilitic mucous patch
    Type 1 Excludes
    late syphilitic leukoderma (A52.79)
    - striated A52.79
- striate (skin) L90.6
  ICD-10-CM Diagnosis Code L90.6
  Striae atrophicae
  2016 2017 2018 2019 2020 Billable/Specific Code
  - syphilitic A52.79
Babinski's syndrome A52.79
Gumma (syphilitic) A52.79
- palate A52.79 (soft)
- pituitary A52.79
- skin A52.79
- specified site NEC A52.79
- tongue A52.79
Labyrinthitis (circumscribed) (destructive) (diffuse) (inner ear) (latent) (purulent) (suppurative) H83.0
- see also subcategory
ICD-10-CM Diagnosis Code H83.0
Labyrinthitis
- syphilitic A52.79
Leukoderma, leukodermia NEC L81.5
ICD-10-CM Diagnosis Code L81.5
Leukoderma, not elsewhere classified
- syphilitic A51.39
  ICD-10-CM Diagnosis Code A51.39
  Other secondary syphilis of skin
  2016 2017 2018 2019 2020 Billable/Specific Code
  Applicable To
  Syphilitic leukoderma
  Syphilitic mucous patch
  Type 1 Excludes
  late syphilitic leukoderma (A52.79)
  - late A52.79
Leukoplakia
- syphilitic A52.79 (late)
Lymphadenitis I88.9
ICD-10-CM Diagnosis Code I88.9
Nonspecific lymphadenitis, unspecified
Applicable To
Lymphadenitis NOS
- syphilitic (early) (secondary) A51.49
  ICD-10-CM Diagnosis Code A51.49
  Other secondary syphilitic conditions
  2016 2017 2018 2019 2020 Billable/Specific Code
  Applicable To
  Secondary syphilitic lymphadenopathy
  Secondary syphilitic myositis
  - late A52.79
Perforation, perforated (nontraumatic) (of)
- palate Q35.9
  - see also Cleft, palate
  ICD-10-CM Diagnosis Code Q35.9
  Cleft palate, unspecified
  2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
  Applicable To
  Cleft palate NOS
  - syphilitic A52.79
- palatine vault Q35.1
  - see also Cleft, palate, hard
  ICD-10-CM Diagnosis Code Q35.1
  Cleft hard palate
  2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
  - syphilitic A52.79
- uvula K13.79
  ICD-10-CM Diagnosis Code K13.79
  Other lesions of oral mucosa
  2016 2017 2018 2019 2020 Billable/Specific Code
  Applicable To
  Focal oral mucinosis
  - syphilitic A52.79
Rupia (syphilitic) A51.39
ICD-10-CM Diagnosis Code A51.39
Other secondary syphilis of skin
Applicable To
Syphilitic leukoderma
Syphilitic mucous patch
Type 1 Excludes
late syphilitic leukoderma (A52.79)
- tertiary A52.79
Splenomegaly, splenomegalia (Bengal) (cryptogenic) (idiopathic) (tropical) R16.1
ICD-10-CM Diagnosis Code R16.1
Splenomegaly, not elsewhere classified
Applicable To
Splenomegaly NOS
- syphilitic A52.79
Stenosis, stenotic (cicatricial) - see also Stricture
- esophagus K22.2
  ICD-10-CM Diagnosis Code K22.2
  Esophageal obstruction
  2016 2017 2018 2019 2020 Billable/Specific Code
  Applicable To
  Compression of esophagus
  Constriction of esophagus
  Stenosis of esophagus
  Stricture of esophagus
  Type 1 Excludes
  congenital stenosis or stricture of esophagus (Q39.3)
  - syphilitic A52.79
Stricture - see also Stenosis
- esophagus K22.2
  ICD-10-CM Diagnosis Code K22.2
  Esophageal obstruction
  2016 2017 2018 2019 2020 Billable/Specific Code
  Applicable To
  Compression of esophagus
  Constriction of esophagus
  Stenosis of esophagus
  Stricture of esophagus
  Type 1 Excludes
  congenital stenosis or stricture of esophagus (Q39.3)
  - syphilitic A52.79
- syphilitic NEC A52.79
Syphilid A51.39
ICD-10-CM Diagnosis Code A51.39
Other secondary syphilis of skin
Applicable To
Syphilitic leukoderma
Syphilitic mucous patch
Type 1 Excludes
late syphilitic leukoderma (A52.79)
- tubercular A52.79 (late)
Syphilis, syphilitic (acquired) A53.9
ICD-10-CM Diagnosis Code A53.9
Syphilis, unspecified
Applicable To
Infection due to Treponema pallidum NOS
Syphilis (acquired) NOS
Type 1 Excludes
syphilis NOS under two years of age (A50.2)
- ear A52.79
  - inner A52.79
- gumma NEC A52.79
- late A52.9
  ICD-10-CM Diagnosis Code A52.9
  Late syphilis, unspecified
  2016 2017 2018 2019 2020 Billable/Specific Code
  - specified site NEC A52.79
  - symptomatic or with manifestations A52.79
- leukoderma A51.39
  ICD-10-CM Diagnosis Code A51.39
  Other secondary syphilis of skin
  2016 2017 2018 2019 2020 Billable/Specific Code
  Applicable To
  Syphilitic leukoderma
  Syphilitic mucous patch
  Type 1 Excludes
  late syphilitic leukoderma (A52.79)
  - late A52.79
- lip A51.39
  ICD-10-CM Diagnosis Code A51.39
  Other secondary syphilis of skin
  2016 2017 2018 2019 2020 Billable/Specific Code
  Applicable To
  Syphilitic leukoderma
  Syphilitic mucous patch
  Type 1 Excludes
  late syphilitic leukoderma (A52.79)
  - late A52.79
- lymph gland (early) (secondary) A51.49
  ICD-10-CM Diagnosis Code A51.49
  Other secondary syphilitic conditions
  2016 2017 2018 2019 2020 Billable/Specific Code
  Applicable To
  Secondary syphilitic lymphadenopathy
  Secondary syphilitic myositis
  - late A52.79
- macular atrophy of skin A51.39
  ICD-10-CM Diagnosis Code A51.39
  Other secondary syphilis of skin
  2016 2017 2018 2019 2020 Billable/Specific Code
  Applicable To
  Syphilitic leukoderma
  Syphilitic mucous patch
  Type 1 Excludes
  late syphilitic leukoderma (A52.79)
  - striated A52.79
- mouth (secondary) A51.39
  ICD-10-CM Diagnosis Code A51.39
  Other secondary syphilis of skin
  2016 2017 2018 2019 2020 Billable/Specific Code
  Applicable To
  Syphilitic leukoderma
  Syphilitic mucous patch
  Type 1 Excludes
  late syphilitic leukoderma (A52.79)
  - late A52.79
- mucocutaneous (secondary) A51.39
  ICD-10-CM Diagnosis Code A51.39
  Other secondary syphilis of skin
  2016 2017 2018 2019 2020 Billable/Specific Code
  Applicable To
  Syphilitic leukoderma
  Syphilitic mucous patch
  Type 1 Excludes
  late syphilitic leukoderma (A52.79)
  - late A52.79
- mucous
  - membrane (secondary) A51.39
    ICD-10-CM Diagnosis Code A51.39
    Other secondary syphilis of skin
    2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    Syphilitic leukoderma
    Syphilitic mucous patch
    Type 1 Excludes
    late syphilitic leukoderma (A52.79)
    - late A52.79
- skin (with ulceration) (early) (secondary) A51.39
  ICD-10-CM Diagnosis Code A51.39
  Other secondary syphilis of skin
  2016 2017 2018 2019 2020 Billable/Specific Code
  Applicable To
  Syphilitic leukoderma
  Syphilitic mucous patch
  Type 1 Excludes
  late syphilitic leukoderma (A52.79)
  - late or tertiary A52.79
- tertiary A52.9
  ICD-10-CM Diagnosis Code A52.9
  Late syphilis, unspecified
  2016 2017 2018 2019 2020 Billable/Specific Code
  - with symptoms NEC A52.79
  - multiple NEC A52.79
  - specified site NEC A52.79
- ulcer (any site) (early) (secondary) A51.39
  ICD-10-CM Diagnosis Code A51.39
  Other secondary syphilis of skin
  2016 2017 2018 2019 2020 Billable/Specific Code
  Applicable To
  Syphilitic leukoderma
  Syphilitic mucous patch
  Type 1 Excludes
  late syphilitic leukoderma (A52.79)
  - perforating A52.79
  - late A52.79
- abdomen A52.79 (late)
- adrenal A52.79 (gland) (with cortical hypofunction)
- anemia A52.79 (late)
- breast A52.79 (late)
- esophagus A52.79
- internal ear A52.79
- lienitis A52.79
- nodular superficial A52.79 (late)
- palate A52.79 (late)
- peripheral nerve A52.79
- pituitary A52.79 (gland)
- spleen A52.79
- splenomegaly A52.79
- thymus A52.79 (gland) (late)
- thyroid A52.79 (late)
- tongue A52.79 (late)
- uvula A52.79 (late) (perforated)
Syphiloma A52.79
Ulcer, ulcerated, ulcerating, ulceration, ulcerative
- syphilitic (any site) (early) (secondary) A51.39
  ICD-10-CM Diagnosis Code A51.39
  Other secondary syphilis of skin
  2016 2017 2018 2019 2020 Billable/Specific Code
  Applicable To
  Syphilitic leukoderma
  Syphilitic mucous patch
  Type 1 Excludes
  late syphilitic leukoderma (A52.79)
  - perforating A52.79
  - late A52.79

ICD-10-CM Codes Adjacent To A52.79

A52.3 Neurosyphilis, unspecified

A52.7 Other symptomatic late syphilis

A52.71 Late syphilitic oculopathy

A52.72 Syphilis of lung and bronchus

A52.73 Symptomatic late syphilis of other respiratory organs

A52.74 Syphilis of liver and other viscera

A52.75 Syphilis of kidney and ureter

A52.76 Other genitourinary symptomatic late syphilis

A52.77 Syphilis of bone and joint

A52.78 Syphilis of other musculoskeletal tissue

A52.79 Other symptomatic late syphilis

A52.8 Late syphilis, latent

A52.9 Late syphilis, unspecified

A53 Other and unspecified syphilis

A53.0 Latent syphilis, unspecified as early or late

A53.9 Syphilis, unspecified

A54 Gonococcal infection

A54.0 Gonococcal infection of lower genitourinary tract without periurethral or accessory gland abscess

A54.00 Gonococcal infection of lower genitourinary tract, unspecified

A54.01 Gonococcal cystitis and urethritis, unspecified

A54.02 Gonococcal vulvovaginitis, unspecified

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2020 ICD-10-CM Diagnosis Code A52.79

Other symptomatic late syphilis

Other secondary syphilis of skin

Certain infectious and parasitic diseases

Infections with a predominantly sexual mode of transmission

Anemia in other chronic diseases classified elsewhere

Other secondary syphilis of skin

Disorders of esophagus in diseases classified elsewhere

Other specified disorders of ear in diseases classified elsewhere

Hypersplenism

Other disorders of blood and blood-forming organs in diseases classified elsewhere

Disorders of endocrine glands in diseases classified elsewhere

Other disorders of skin and subcutaneous tissue in diseases classified elsewhere

Anemia, unspecified

Atrophic disorder of skin, unspecified

Other atrophic disorders of skin

Other atrophic disorders of skin

Other atrophic disorders of skin

Other secondary syphilis of skin

Striae atrophicae

Labyrinthitis

Leukoderma, not elsewhere classified

Other secondary syphilis of skin

Nonspecific lymphadenitis, unspecified

Other secondary syphilitic conditions

Cleft palate, unspecified

Cleft hard palate

Other lesions of oral mucosa

Other secondary syphilis of skin

Splenomegaly, not elsewhere classified

Esophageal obstruction

Esophageal obstruction

Other secondary syphilis of skin

Syphilis, unspecified

Late syphilis, unspecified

Other secondary syphilis of skin

Other secondary syphilis of skin

Other secondary syphilitic conditions

Other secondary syphilis of skin

Other secondary syphilis of skin

Other secondary syphilis of skin

Other secondary syphilis of skin

Other secondary syphilis of skin

Late syphilis, unspecified

Other secondary syphilis of skin

Other secondary syphilis of skin