2023

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  5. 2023 ICD-10-CM Diagnosis Code A51.46

2023 ICD-10-CM Diagnosis Code A51.46

Secondary syphilitic osteopathy

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • A51.46 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 A51.46 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of A51.46 - other international versions of ICD-10 A51.46 may differ.
The following code(s) above A51.46 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 A51.46:
  • A00-B99
    2023 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
    2023 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
  • Secondary syphilis of bone
ICD-10-CM A51.46 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 539 Osteomyelitis with mcc
  • 540 Osteomyelitis with cc
  • 541 Osteomyelitis without cc/mcc

Convert A51.46 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 A51.46:
  • Type 1 Excludes: M90
    ICD-10-CM Diagnosis Code M90

    Osteopathies in diseases classified elsewhere

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • osteochondritis, osteomyelitis, and osteopathy (in):
    • cryptococcosis (B45.3)
    • diabetes mellitus (E08-E13 with .69-)
    • gonococcal (A54.43)
    • neurogenic syphilis (A52.11)
    • renal osteodystrophy (N25.0)
    • salmonellosis (A02.24)
    • secondary syphilis (A51.46)
    • syphilis (late) (A52.77)

Diagnosis Index entries containing back-references to A51.46:
  • Periostitis (albuminosa) (circumscribed) (diffuse) (infective) (monomelic) - see also Osteomyelitis
    • syphilitic A52.77
      ICD-10-CM Diagnosis Code A52.77

      Syphilis of bone and joint

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      • secondary A51.46
  • Syphilis, syphilitic (acquired) A53.9
    ICD-10-CM Diagnosis Code A53.9

    Syphilis, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Infection due to Treponema pallidum NOS
    • Syphilis (acquired) NOS
    Type 1 Excludes
    • syphilis NOS under two years of age (A50.2)
    • bone A52.77
      ICD-10-CM Diagnosis Code A52.77

      Syphilis of bone and joint

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      • secondary A51.46
    • periosteum (late) A52.77
      ICD-10-CM Diagnosis Code A52.77

      Syphilis of bone and joint

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      • early A51.46 (secondary)
    • secondary (and primary) A51.49
      ICD-10-CM Diagnosis Code A51.49

      Other secondary syphilitic conditions

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      Applicable To
      • Secondary syphilitic lymphadenopathy
      • Secondary syphilitic myositis
      • bone A51.46
      • periosteum, periostitis A51.46

ICD-10-CM Codes Adjacent To A51.46
A51.3 Secondary syphilis of skin and mucous membranes
A51.31 Condyloma latum
A51.32 Syphilitic alopecia
A51.39 Other secondary syphilis of skin
A51.4 Other secondary syphilis
A51.41 Secondary syphilitic meningitis
A51.42 Secondary syphilitic female pelvic disease
A51.43 Secondary syphilitic oculopathy
A51.44 Secondary syphilitic nephritis
A51.45 Secondary syphilitic hepatitis
A51.46 Secondary syphilitic osteopathy
A51.49 Other secondary syphilitic conditions
A51.5 Early syphilis, latent
A51.9 Early syphilis, unspecified
A52 Late syphilis
A52.0 Cardiovascular and cerebrovascular syphilis
A52.00 Cardiovascular syphilis, unspecified
A52.01 Syphilitic aneurysm of aorta
A52.02 Syphilitic aortitis
A52.03 Syphilitic endocarditis
A52.04 Syphilitic cerebral arteritis

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

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