2021 ICD-10-CM Diagnosis Code A18.85

Tuberculosis of spleen

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • A18.85 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM A18.85 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of A18.85 - other international versions of ICD-10 A18.85 may differ.
The following code(s) above A18.85 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 A18.85:
  • A00-B99
    2021 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
  • A15-A19
    2021 ICD-10-CM Range A15-A19

    Tuberculosis

    Includes
    • infections due to Mycobacterium tuberculosis and Mycobacterium bovis
    Type 1 Excludes
    • congenital tuberculosis (P37.0)
    • nonspecific reaction to test for tuberculosis without active tuberculosis (R76.1-)
    • pneumoconiosis associated with tuberculosis, any type in A15 (J65)
    • positive PPD (R76.11)
    • positive tuberculin skin test without active tuberculosis (R76.11)
    • sequelae of tuberculosis (B90.-)
    • silicotuberculosis (J65)
    Tuberculosis
Approximate Synonyms
  • Tuberculosis (tb) spleen
Clinical Information
  • Infection of the spleen with species of mycobacterium.
ICD-10-CM A18.85 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 814 Reticuloendothelial and immunity disorders with mcc
  • 815 Reticuloendothelial and immunity disorders with cc
  • 816 Reticuloendothelial and immunity disorders without cc/mcc
  • 974 Hiv with major related condition with mcc
  • 975 Hiv with major related condition with cc
  • 976 Hiv with major related condition without cc/mcc

Convert A18.85 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
Code annotations containing back-references to A18.85:
  • Type 1 Excludes: D73.1
    , D77
    ICD-10-CM Diagnosis Code D73.1

    Hypersplenism

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    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

      2016 2017 2018 2019 2020 2021 Billable/Specific Code Manifestation Code
    Code First
    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)

Diagnosis Index entries containing back-references to A18.85:
  • Splenitis (interstitial) (malignant) (nonspecific) D73.89
    ICD-10-CM Diagnosis Code D73.89

    Other diseases of spleen

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Fibrosis of spleen NOS
    • Perisplenitis
    • Splenitis NOS
    • tuberculous A18.85
  • Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) A15.9
    ICD-10-CM Diagnosis Code A15.9

    Respiratory tuberculosis unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • spleen, splenitis A18.85

ICD-10-CM Codes Adjacent To A18.85
A18.53 Tuberculous chorioretinitis
A18.54 Tuberculous iridocyclitis
A18.59 Other tuberculosis of eye
A18.6 Tuberculosis of (inner) (middle) ear
A18.7 Tuberculosis of adrenal glands
A18.8 Tuberculosis of other specified organs
A18.81 Tuberculosis of thyroid gland
A18.82 Tuberculosis of other endocrine glands
A18.83 Tuberculosis of digestive tract organs, not elsewhere classified
A18.84 Tuberculosis of heart
A18.85 Tuberculosis of spleen
A18.89 Tuberculosis of other sites
A19 Miliary tuberculosis
A19.0 Acute miliary tuberculosis of a single specified site
A19.1 Acute miliary tuberculosis of multiple sites
A19.2 Acute miliary tuberculosis, unspecified
A19.8 Other miliary tuberculosis
A19.9 Miliary tuberculosis, unspecified
A20 Plague
A20.0 Bubonic plague
A20.1 Cellulocutaneous plague

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