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ICD-10-CM Codes
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A00-B99
Certain infectious and parasitic diseases
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A50-A64
Infections with a predominantly sexual mode of transmission
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A55-
Chlamydial lymphogranuloma (venereum)
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2023 ICD-10-CM Diagnosis Code A55
2023 ICD-10-CM Diagnosis Code A55
Chlamydial lymphogranuloma (venereum)
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
- A55 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2023 edition of ICD-10-CM A55 became effective on October 1, 2022.
- This is the American ICD-10-CM version of A55 - other international versions of ICD-10 A55 may differ.
Applicable To- Climatic or tropical bubo
- Durand-Nicolas-Favre disease
- Esthiomene
- Lymphogranuloma inguinale
The following code(s) above
A55 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
A55:
- Subacute inflammation of the inguinal lymph glands caused by certain immunotypes of chlamydia trachomatis. It is a sexually transmitted disease in the United States But is more widespread in developing countries. It is distinguished from granuloma venereum (see granuloma inguinale), which is caused by calymmatobacterium granulomatis.
- Subacute inflammation of the inguinal lymph glands caused by certain immunotypes of chlamydia trachomatis; a sexually transmitted disease in the United States but is more widespread in developing countries; do not confuse with granuloma venereum, which is caused by calymmatobacterium granulomatis, for this use enterobacteriaceae disease.
ICD-10-CM A55 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
- 727 Inflammation of the male reproductive system with mcc
- 728 Inflammation of the male reproductive system without mcc
- 742 Uterine and adnexa procedures for non-malignancy with cc/mcc
- 743 Uterine and adnexa procedures for non-malignancy without cc/mcc
- 757 Infections, female reproductive system with mcc
- 758 Infections, female reproductive system with cc
- 759 Infections, female reproductive system without cc/mcc
Convert A55 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
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
Code annotations containing back-references to A55:
- Bubo I88.8
ICD-10-CM Diagnosis Code I88.8
Other nonspecific lymphadenitis
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
- inguinal (nonspecific) I88.8
ICD-10-CM Diagnosis Code I88.8
Other nonspecific lymphadenitis
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
- climatic A55
- tropical A55
- Disease, diseased - see also Syndrome
- venereal A64 - see also Disease, sexually transmitted
ICD-10-CM Diagnosis Code A64
Unspecified sexually transmitted disease
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
- Durand-Nicholas-Favre A55 (climatic bubo)
- Favre-Durand-Nicolas A55 (climatic bubo)
- Frei's A55 (climatic bubo)
- Nicolas A55 (-Durand)-Favre (climatic bubo)
- Durand-Nicolas-Favre disease A55
- Esthiomene A55
- Fifth disease B08.3
ICD-10-CM Diagnosis Code B08.3
Erythema infectiosum [fifth disease]
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
- Frei's disease A55
- Genito-anorectal syndrome A55
- Infection, infected, infective (opportunistic) B99.9
ICD-10-CM Diagnosis Code B99.9
Unspecified infectious disease
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
- Chlamydia, chlamydial A74.9
ICD-10-CM Diagnosis Code A74.9
Chlamydial infection, unspecified
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
- Lymphadenitis I88.9
ICD-10-CM Diagnosis Code I88.9
Nonspecific lymphadenitis, unspecified
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
- due to
- chlamydial lymphogranuloma A55
- lymphogranuloma venereum A55
- venereal A55 (chlamydial)
- Lymphogranuloma (malignant) - see also Lymphoma, Hodgkin
- chlamydial A55
- inguinale A55
- venereum A55 (any site) (chlamydial) (with stricture of rectum)
- Lymphopathia venereum, veneris A55
- Nicolas A55 (-Durand)
- Poradenitis, nostras inguinalis or venerea A55
- Stricture - see also Stenosis
- rectum (sphincter) K62.4
ICD-10-CM Diagnosis Code K62.4
Stenosis of anus and rectum
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Applicable To- Stricture of anus (sphincter)
- due to
- chlamydial lymphogranuloma A55
- lymphogranuloma venereum A55
- inflammatory A55 (chlamydial)
- Syndrome - see also Disease
- Venereal
- bubo A55
- lymphogranuloma A55 (Durand-Nicolas-Favre)
ICD-10-CM Codes Adjacent To A55
A54.6 Gonococcal infection of anus and rectum
A54.8 Other gonococcal infections
A54.82 Gonococcal brain abscess
A54.83 Gonococcal heart infection
A54.89 Other gonococcal infections
A54.9 Gonococcal infection, unspecified
A55
Chlamydial lymphogranuloma (venereum)
A56 Other sexually transmitted chlamydial diseases
A56.0 Chlamydial infection of lower genitourinary tract
A56.01 Chlamydial cystitis and urethritis
A56.02 Chlamydial vulvovaginitis
A56.09 Other chlamydial infection of lower genitourinary tract
A56.1 Chlamydial infection of pelviperitoneum and other genitourinary organs
A56.11 Chlamydial female pelvic inflammatory disease
A56.19 Other chlamydial genitourinary infection
A56.2 Chlamydial infection of genitourinary tract, unspecified
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
