2020 ICD-10-CM Diagnosis Code B83.4

Internal hirudiniasis

    2016 2017 2018 2019 2020 Billable/Specific Code
  • B83.4 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 B83.4 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of B83.4 - other international versions of ICD-10 B83.4 may differ.
Type 2 Excludes
Type 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (B83.4) and the excluded code together.
  • external hirudiniasis (
    ICD-10-CM Diagnosis Code B88.3

    External hirudiniasis

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Leech infestation NOS
    Type 2 Excludes
    • internal hirudiniasis (B83.4)
    B88.3
    )
The following code(s) above B83.4 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 B83.4:
  • 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
  • B83
    ICD-10-CM Diagnosis Code B83

    Other helminthiases

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • capillariasis NOS (B81.1)
    Type 2 Excludes
    • intestinal capillariasis (B81.1)
    Other helminthiases
ICD-10-CM B83.4 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 606 Minor skin disorders with mcc
  • 607 Minor skin disorders without mcc

Convert B83.4 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 B83.4:
  • Type 2 Excludes: B88.3
    ICD-10-CM Diagnosis Code B88.3

    External hirudiniasis

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Leech infestation NOS
    Type 2 Excludes
    • internal hirudiniasis (B83.4)

Diagnosis Index entries containing back-references to B83.4:
  • Hirudiniasis
    • internal B83.4
  • Infestation B88.9
    ICD-10-CM Diagnosis Code B88.9

    Infestation, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Infestation (skin) NOS
    • Infestation by mites NOS
    • Skin parasites NOS
    • helminth B83.9
      ICD-10-CM Diagnosis Code B83.9

      Helminthiasis, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Worms NOS
      Type 1 Excludes
      • intestinal helminthiasis NOS (B82.0)
      • hirudiniasis, internal B83.4

ICD-10-CM Codes Adjacent To B83.4
B81.4 Mixed intestinal helminthiases
B81.8 Other specified intestinal helminthiases
B82 Unspecified intestinal parasitism
B82.0 Intestinal helminthiasis, unspecified
B82.9 Intestinal parasitism, unspecified
B83 Other helminthiases
B83.0 Visceral larva migrans
B83.1 Gnathostomiasis
B83.2 Angiostrongyliasis due to Parastrongylus cantonensis
B83.3 Syngamiasis
B83.4 Internal hirudiniasis
B83.8 Other specified helminthiases
B83.9 Helminthiasis, unspecified
B85 Pediculosis and phthiriasis
B85.0 Pediculosis due to Pediculus humanus capitis
B85.1 Pediculosis due to Pediculus humanus corporis
B85.2 Pediculosis, unspecified
B85.3 Phthiriasis
B85.4 Mixed pediculosis and phthiriasis
B86 Scabies
B87 Myiasis

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