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J45.998BillableSave

J45.998 - Other asthma

ICD-10-CM Chapter 10: Diseases of the respiratory system · J40-J4B Chronic lower respiratory diseases (J40-J4B) · Subcategory of J45.99 · FY2027

Includes, Excludes and Coding Notes

IncludesFrom J45

Conditions this code covers.

  • 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
Excludes 1 — Not Coded HereFrom J45

Mutually exclusive: these conditions are never reported together with this code.

  • detergent asthma (J69.8)
  • miner's asthma (J60)
  • wheezing NOS (R06.2)
  • wood asthma (J67.8)
Excludes 2 — Not Included HereFrom J45

Not part of this code; report both codes when the patient has both conditions.

  • asthma with chronic obstructive pulmonary disease (J44.89)
  • chronic asthmatic (obstructive) bronchitis (J44.89)
  • chronic obstructive asthma (J44.89)
  • other specified chronic obstructive pulmonary disease (J44.89)
Use Additional CodeFrom J45

Add a secondary code to identify the associated condition or cause when it is documented.

  • 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)
Excludes 1 — Not Coded HereFrom J40-J4B Chronic lower respiratory diseases (J40-J4B)

Mutually exclusive: these conditions are never reported together with this code.

  • bronchitis due to chemicals, gases, fumes and vapors (J68.0)
Excludes 2 — Not Included HereFrom J40-J4B Chronic lower respiratory diseases (J40-J4B)

Not part of this code; report both codes when the patient has both conditions.

  • cystic fibrosis (E84.-)
Excludes 2 — Not Included HereFrom Chapter J00-J99

Not part of this code; report both codes when the patient has both conditions.

  • 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 CodeFrom Chapter J00-J99

Add a secondary code to identify the associated condition or cause when it is documented.

  • 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)
NotesFrom Chapter J00-J99

Instructional notes from the ICD-10-CM tabular list.

  • 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).

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with J45.998.