1. ICD-10-CM Codes
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2. A00-B99 Certain infectious and parasitic diseases
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3. B65-B83 Helminthiases
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4. B74- Filariasis
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5. 2020 ICD-10-CM Diagnosis Code B74.9

2020 ICD-10-CM Diagnosis Code B74.9

Filariasis, unspecified

2016 2017 2018 2019 2020 Billable/Specific Code

• B74.9 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 B74.9 became effective on October 1, 2019.
• This is the American ICD-10-CM version of B74.9 - other international versions of ICD-10 B74.9 may differ.

• Disease due to superfamily filarioidea
• Filariasis
• Pulmonary filariasis

• Infections with nematodes of the superfamily filarioidea. The presence of living worms in the body is mainly asymptomatic but the death of adult worms leads to granulomatous inflammation and permanent fibrosis. Organisms of the genus elaeophora infect wild elk and domestic sheep causing ischemic necrosis of the brain, blindness, and dermatosis of the face.
• Infections with nematodes of the superfamily filarioidea; presence of living worms in the body is mainly asymptomatic but the death of adult worms leads to granulomatous inflammation and permanent fibrosis; organisms of the genus elaeophora infect wild elk and domestic sheep causing ischaemic necrosis of the brain, blindness, and dermatosis of the face.

• 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 B74.9 to ICD-9-CM

• 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 First: N51
  , J91.8
  ICD-10-CM Diagnosis Code N51

  Disorders of male genital organs in diseases classified elsewhere

  2016 2017 2018 2019 2020 Billable/Specific Code Male Dx Manifestation Code

  Code First

  • underlying disease, such as:
  • filariasis (B74.0-B74.9)

  Type 1 Excludes

  • amebic balanitis (A06.8)
  • candidal balanitis (B37.42)
  • gonococcal balanitis (A54.23)
  • gonococcal prostatitis (A54.22)
  • herpesviral [herpes simplex] balanitis (A60.01)
  • trichomonal prostatitis (A59.02)
  • tuberculous prostatitis (A18.14)
  ICD-10-CM Diagnosis Code J91.8

  Pleural effusion in other conditions classified elsewhere

  2016 2017 2018 2019 2020 Billable/Specific Code Manifestation Code

  Code First

  • underlying disease, such as:
  • filariasis (B74.0-B74.9)
  • influenza (J09.X2, J10.1, J11.1)

• Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) M19.90
  ICD-10-CM Diagnosis Code M19.90

  Unspecified osteoarthritis, unspecified site

  2016 2017 2018 2019 2020 Billable/Specific Code

  Applicable To

  • Arthrosis NOS
  • Arthritis NOS
  • Osteoarthritis NOS
  • due to or associated with
    • filariasis NOS B74.9
  • chylous B74.9 (filarial) - see also category M01
• Chylocele (nonfilarial) I89.8
  ICD-10-CM Diagnosis Code I89.8

  Other specified noninfective disorders of lymphatic vessels and lymph nodes

  2016 2017 2018 2019 2020 Billable/Specific Code

  Applicable To

  • Chylocele (nonfilarial)
  • Chylous ascites
  • Chylous cyst
  • Lipomelanotic reticulosis
  • Lymph node or vessel fistula
  • Lymph node or vessel infarction
  • Lymph node or vessel rupture
  • tunica vaginalis N50.89
    ICD-10-CM Diagnosis Code N50.89

    Other specified disorders of the male genital organs

    2017 - New Code 2018 2019 2020 Billable/Specific Code Male Dx

    Applicable To

    • Atrophy of scrotum, seminal vesicle, spermatic cord, tunica vaginalis and vas deferens
    • Chylocele, tunica vaginalis (nonfilarial) NOS
    • Edema of scrotum, seminal vesicle, spermatic cord, tunica vaginalis and vas deferens
    • Hypertrophy of scrotum, seminal vesicle, spermatic cord, tunica vaginalis and vas deferens
    • Stricture of spermatic cord, tunica vaginalis, and vas deferens
    • Ulcer of scrotum, seminal vesicle, spermatic cord, testis, tunica vaginalis and vas deferens
    • Urethroscrotal fistula
    • filarial B74.9 - see also Infestation, filarial
  • filarial B74.9 - see also Infestation, filarial
• Chylothorax (nonfilarial) I89.8
  ICD-10-CM Diagnosis Code I89.8

  Other specified noninfective disorders of lymphatic vessels and lymph nodes

  2016 2017 2018 2019 2020 Billable/Specific Code

  Applicable To

  • Chylocele (nonfilarial)
  • Chylous ascites
  • Chylous cyst
  • Lipomelanotic reticulosis
  • Lymph node or vessel fistula
  • Lymph node or vessel infarction
  • Lymph node or vessel rupture
  • filarial B74.9 - see also Infestation, filarial
• Conjunctivitis (staphylococcal) (streptococcal) H10.9
  ICD-10-CM Diagnosis Code H10.9

  Unspecified conjunctivitis

  2016 2017 2018 2019 2020 Billable/Specific Code
  • due to
    • filariasis B74.9
  • in (due to)
    • filariasis B74.9
  • parasitic
    • filariasis B74.9
• Epididymitis (acute) (nonvenereal) (recurrent) (residual) N45.1
  ICD-10-CM Diagnosis Code N45.1

  Epididymitis

  2016 2017 2018 2019 2020 Billable/Specific Code Male Dx
  • filarial B74.9 - see also Infestation, filarial
• Hydrothorax (double) (pleura) J94.8
  ICD-10-CM Diagnosis Code J94.8

  Other specified pleural conditions

  2016 2017 2018 2019 2020 Billable/Specific Code

  Applicable To

  • Hydropneumothorax
  • Hydrothorax
  • chylous (nonfilarial) I89.8
    ICD-10-CM Diagnosis Code I89.8

    Other specified noninfective disorders of lymphatic vessels and lymph nodes

    2016 2017 2018 2019 2020 Billable/Specific Code

    Applicable To

    • Chylocele (nonfilarial)
    • Chylous ascites
    • Chylous cyst
    • Lipomelanotic reticulosis
    • Lymph node or vessel fistula
    • Lymph node or vessel infarction
    • Lymph node or vessel rupture
    • filarial B74.9 - see also Infestation, filarial
• 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
  • filarial B74.9
    • conjunctiva B74.9
• Mumu B74.9 - see also Infestation, filarial
• Orchitis (gangrenous) (nonspecific) (septic) (suppurative) N45.2
  ICD-10-CM Diagnosis Code N45.2

  Orchitis

  2016 2017 2018 2019 2020 Billable/Specific Code Male Dx
  • filarial B74.9 - see also Infestation, filarial

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