2021 ICD-10-CM Diagnosis Code J45.998

Other asthma

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • J45.998 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 J45.998 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of J45.998 - other international versions of ICD-10 J45.998 may differ.
The following code(s) above J45.998 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 J45.998:
  • J00-J99
    2021 ICD-10-CM Range J00-J99

    Diseases of the respiratory system

    • When a respiratory condition is described as occurring in more than one site and is not specifically indexed, it should be classified to the lower anatomic site (e.g. tracheobronchitis to bronchitis in J40).
    Type 2 Excludes
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • smoke inhalation (T59.81-)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    Use Additional
    • code, where applicable, to identify:
    • exposure to environmental tobacco smoke (Z77.22)
    • exposure to tobacco smoke in the perinatal period (P96.81)
    • history of tobacco dependence (Z87.891)
    • occupational exposure to environmental tobacco smoke (Z57.31)
    • tobacco dependence (F17.-)
    • tobacco use (Z72.0)
    Diseases of the respiratory system
  • J40-J47
    2021 ICD-10-CM Range J40-J47

    Chronic lower respiratory diseases

    Type 1 Excludes
    • bronchitis due to chemicals, gases, fumes and vapors (J68.0)
    Type 2 Excludes
    Chronic lower respiratory diseases
  • J45
    ICD-10-CM Diagnosis Code J45


      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    • allergic (predominantly) asthma
    • allergic bronchitis NOS
    • allergic rhinitis with asthma
    • atopic asthma
    • extrinsic allergic asthma
    • hay fever with asthma
    • idiosyncratic asthma
    • intrinsic nonallergic asthma
    • nonallergic asthma
    Type 1 Excludes
    • detergent asthma (J69.8)
    • eosinophilic asthma (J82)
    • miner's asthma (J60)
    • wheezing NOS (R06.2)
    • wood asthma (J67.8)
    Type 2 Excludes
    • asthma with chronic obstructive pulmonary disease (J44.9)
    • chronic asthmatic (obstructive) bronchitis (J44.9)
    • chronic obstructive asthma (J44.9)
    Use Additional
    • code to identify:
    • eosinophilic asthma (J82.83)
    • exposure to environmental tobacco smoke (Z77.22)
    • exposure to tobacco smoke in the perinatal period (P96.81)
    • history of tobacco dependence (Z87.891)
    • occupational exposure to environmental tobacco smoke (Z57.31)
    • tobacco dependence (F17.-)
    • tobacco use (Z72.0)
Approximate Synonyms
  • Asthma, exercise induced
  • Asthma, seasonal
  • Exercise-induced asthma
  • Seasonal asthma
ICD-10-CM J45.998 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 202 Bronchitis and asthma with cc/mcc
  • 203 Bronchitis and asthma without cc/mcc

Convert J45.998 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

Diagnosis Index entries containing back-references to J45.998:
  • Asthma, asthmatic (bronchial) (catarrh) (spasmodic) J45.909
    ICD-10-CM Diagnosis Code J45.909

    Unspecified asthma, uncomplicated

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Asthma NOS
    Type 2 Excludes
    • lung diseases due to external agents (J60-J70)
    • platinum J45.998
    • specified NEC J45.998

ICD-10-CM Codes Adjacent To J45.998
J45.51 …… with (acute) exacerbation
J45.52 …… with status asthmaticus
J45.9 Other and unspecified asthma
J45.90 Unspecified asthma
J45.901 …… with (acute) exacerbation
J45.902 …… with status asthmaticus
J45.909 …… uncomplicated
J45.99 Other asthma
J45.990 Exercise induced bronchospasm
J45.991 Cough variant asthma
J45.998 Other asthma
J47 Bronchiectasis
J47.0 Bronchiectasis with acute lower respiratory infection
J47.1 Bronchiectasis with (acute) exacerbation
J47.9 Bronchiectasis, uncomplicated
J60 Coalworker's pneumoconiosis
J61 Pneumoconiosis due to asbestos and other mineral fibers
J62 Pneumoconiosis due to dust containing silica
J62.0 Pneumoconiosis due to talc dust
J62.8 Pneumoconiosis due to other dust containing silica
J63 Pneumoconiosis due to other inorganic dusts

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