1. ICD-10-CM Codes
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2. A00-B99 Certain infectious and parasitic diseases
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3. B85-B89 Pediculosis, acariasis and other infestations
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4. B89- Unspecified parasitic disease
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5. 2020 ICD-10-CM Diagnosis Code B89

2020 ICD-10-CM Diagnosis Code B89

Unspecified parasitic disease

2016 2017 2018 2019 2020 Billable/Specific Code

• B89 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 B89 became effective on October 1, 2019.
• This is the American ICD-10-CM version of B89 - other international versions of ICD-10 B89 may differ.

• Arthropathy of lower leg due to parasitic infection
• Arthropathy, lower leg, due to parasitic disease
• Bilateral parasitic eyelid infestation
• Bilateral parasitic orbital infestation
• Disease caused by parasite
• Left parasitic eyelid infestation
• Left parasitic orbital infestation
• Parasitic disease
• Parasitic eyelid infestation
• Parasitic infestation of orbit
• Parasitic orbital infestation
• Right parasitic eyelid infestation
• Right parasitic orbital infestation

• 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 B89 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: H22
  ICD-10-CM Diagnosis Code H22

  Disorders of iris and ciliary body in diseases classified elsewhere

  2016 2017 2018 2019 2020 Billable/Specific Code Manifestation Code

  Code First

  • underlying disease, such as:
  • gout (M1A.-, M10.-)
  • leprosy (A30.-)
  • parasitic disease (B89)

• 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
    • parasitic disease NEC B89 - see also category M01
  • in (due to)
    • parasitic disease NEC B89 - see also category M01
• Cyst (colloid) (mucous) (simple) (retention)
  • parasitic B89
• Disease, diseased - see also Syndrome
  • parasitic B89
• Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) G04.90
  ICD-10-CM Diagnosis Code G04.90

  Encephalitis and encephalomyelitis, unspecified

  2016 2017 2018 2019 2020 Billable/Specific Code

  Applicable To

  • Ventriculitis (cerebral) NOS
  • in (due to)
    • parasitic disease NEC B89
• Hydrocephalus (acquired) (external) (internal) (malignant) (recurrent) G91.9
  ICD-10-CM Diagnosis Code G91.9

  Hydrocephalus, unspecified

  2016 2017 2018 2019 2020 Billable/Specific Code
  • in (due to)
    • infectious disease NEC B89
    • parasitic disease B89
• Infection, infected, infective (opportunistic) B99.9
  ICD-10-CM Diagnosis Code B99.9

  Unspecified infectious disease

  2016 2017 2018 2019 2020 Billable/Specific Code
  • parasitic B89
• 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
  • eyelid
    • parasitic NOS B89
  • parasite, parasitic B89
    • eyelid B89
  • orbit, parasitic NOS B89
• Iridocyclitis H20.9
  ICD-10-CM Diagnosis Code H20.9

  Unspecified iridocyclitis

  2016 2017 2018 2019 2020 Billable/Specific Code

  Applicable To

  • Uveitis NOS
  • in (due to)
    • parasitic disease NOS B89
• Mastoiditis (coalescent) (hemorrhagic) (suppurative) H70.9-
  ICD-10-CM Diagnosis Code H70.9-

  Unspecified mastoiditis

  2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
  • in (due to)
    • parasitic disease NEC B89
• Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic) G03.9
  ICD-10-CM Diagnosis Code G03.9

  Meningitis, unspecified

  2016 2017 2018 2019 2020 Billable/Specific Code

  Applicable To

  • Arachnoiditis (spinal) NOS
  • in (due to)
    • parasitic disease NEC B89
• Meningoencephalitis G04.90
  - see also Encephalitis
  ICD-10-CM Diagnosis Code G04.90

  Encephalitis and encephalomyelitis, unspecified

  2016 2017 2018 2019 2020 Billable/Specific Code

  Applicable To

  • Ventriculitis (cerebral) NOS
  • parasitic NEC B89
• Myopathy G72.9
  ICD-10-CM Diagnosis Code G72.9

  Myopathy, unspecified

  2016 2017 2018 2019 2020 Billable/Specific Code
  • in (due to)
    • parasitic disease NEC B89
• Neuritis (rheumatoid) M79.2
  ICD-10-CM Diagnosis Code M79.2

  Neuralgia and neuritis, unspecified

  2016 2017 2018 2019 2020 Billable/Specific Code

  Type 1 Excludes

  • brachial radiculitis NOS (M54.1)
  • lumbosacral radiculitis NOS (M54.1)
  • mononeuropathies (G56-G58)
  • radiculitis NOS (M54.1)
  • sciatica (M54.3-M54.4)
  • acoustic (nerve) H93.3
    - see also subcategory
    ICD-10-CM Diagnosis Code H93.3

    Disorders of acoustic nerve

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code

    Applicable To

    • Disorder of 8th cranial nerve

    Type 1 Excludes

    • acoustic neuroma (D33.3)
    • syphilitic acoustic neuritis (A52.15)
    • in (due to)
      • parasitic disease NEC B89
• Otitis (acute) H66.90
  ICD-10-CM Diagnosis Code H66.90

  Otitis media, unspecified, unspecified ear

  2016 2017 2018 2019 2020 Billable/Specific Code
  • externa H60.9-
    ICD-10-CM Diagnosis Code H60.9-

    Unspecified otitis externa

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    • in (due to)
      • parasitic disease NEC B89
• Palsy G83.9
  - see also Paralysis
  ICD-10-CM Diagnosis Code G83.9

  Paralytic syndrome, unspecified

  2016 2017 2018 2019 2020 Billable/Specific Code
  • cranial nerve - see also Disorder, nerve, cranial
    • multiple G52.7
      ICD-10-CM Diagnosis Code G52.7

      Disorders of multiple cranial nerves

      2016 2017 2018 2019 2020 Billable/Specific Code

      Applicable To

      • Polyneuritis cranialis
      • in
        • parasitic disease B89
• Parasitic - see also condition
  • disease NEC B89
• Parasitism B89
• Polyneuropathy (peripheral) G62.9
  ICD-10-CM Diagnosis Code G62.9

  Polyneuropathy, unspecified

  2016 2017 2018 2019 2020 Billable/Specific Code

  Applicable To

  • Neuropathy NOS
  • in (due to)
    • parasitic disease NEC B89

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