J45.901
BillableUnspecified asthma with (acute) exacerbation
Unspecified asthma with (acute) exacerbation
Coding Notes
Includes
Conditions included under this 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
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •smoke inhalationT59.81
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •cystic fibrosisE84
- •asthma with chronic obstructive pulmonary diseaseJ44.89
- •chronic asthmatic (obstructive) bronchitisJ44.89
- •chronic obstructive asthmaJ44.89
- •other specified chronic obstructive pulmonary diseaseJ44.89
Use Additional Code
Additional codes that should follow this code
- code, where applicable, to identify:
- •exposure to environmental tobacco smokeZ77.22
- •exposure to tobacco smoke in the perinatal periodP96.81
- •history of tobacco dependenceZ87.891
- •occupational exposure to environmental tobacco smokeZ57.31
- •tobacco dependenceF17
- •tobacco useZ72.0
- code to identify:
- •eosinophilic asthmaJ82.83
Related Codes(2)
Related Conditions
Also Known As / Clinical Terms(59)
SNOMED CT
- Brittle asthma225057002
- Asthma due to internal immunological process266361008
- Intrinsic asthma266361008
- Non-allergic asthma266361008
- Acute asthma281239006
- Asthma attack281239006
- Exacerbation of asthma281239006
- Acute severe exacerbation of asthma708090002
- Acute exacerbation of allergic asthma708093000
- Acute exacerbation of extrinsic asthma708093000
- Acute exacerbation of immunoglobulin E-mediated allergic asthma708093000
- Acute exacerbation of intrinsic asthma708094006
- Acute severe exacerbation of extrinsic asthma708095007
- Acute severe exacerbation of immunoglobin E-mediated allergic asthma708095007
- Acute severe exacerbation of intrinsic asthma708096008
- Acute severe asthma733858005
- Acute severe refractory exacerbation of asthma733858005
- Status asthmaticus733858005
- Life threatening acute exacerbation of asthma734904007
- Moderate acute exacerbation of asthma734905008
- Acute allergic asthma762521001
- Exacerbation of allergic asthma762521001
- Acute severe exacerbation of allergic asthma782513000
- Exacerbation of allergic asthma due to infection782520007
- Asthma exacerbation due to thunderstorm829976001
- Thunderstorm asthma829976001
- Thunderstorm-induced asthma829976001
- Acute exacerbation of asthma co-occurrent with allergic rhinitis99031000119107
UMLS
Clinical Terms
- Non-allergic asthma
- Acute exacerbation of extrinsic asthma
- Acute severe asthma
- Unspecified Asthma with Acute Exacerbation
- Acute severe exacerbation of immunoglobin E-mediated allergic asthma
- Exacerbation of asthma
- Life threatening acute exacerbation of asthma
- Asthma due to internal immunological process
- Acute severe exacerbation of allergic asthma
- Moderate acute exacerbation of asthma
- Exacerbation of allergic asthma
- Intrinsic asthma
- Acute exacerbation of asthma co-occurrent with allergic rhinitis
- Acute exacerbation of intrinsic asthma
- Acute asthma
- Thunderstorm-induced asthma
- Asthma exacerbation due to thunderstorm
- Acute severe exacerbation of intrinsic asthma
- Exacerbation of allergic asthma due to infection
- Acute severe refractory exacerbation of asthma
- Acute allergic asthma
- Brittle asthma
- Acute exacerbation of allergic asthma
- Status asthmaticus
- Asthma attack
- Acute severe exacerbation of asthma
- Thunderstorm asthma
- Acute severe exacerbation of extrinsic asthma
- Acute exacerbation of immunoglobulin E-mediated allergic asthma
Frequently Asked Questions
What is the ICD-10 code for unspecified asthma with (acute) exacerbation?
The ICD-10-CM code for unspecified asthma with (acute) exacerbation is J45.901. The full clinical description is "Unspecified asthma with (acute) exacerbation". J45.901 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code J45.901 mean?
ICD-10-CM code J45.901 represents “Unspecified asthma with (acute) exacerbation”. It is classified under Chapter 10: Diseases of the Respiratory System and is a billable/specific code that can be used on a claim.
Is J45.901 a billable code?
Yes, J45.901 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is J45.901 in?
J45.901 is in Chapter 10: Diseases of the Respiratory System (codes J00-J99).
What codes cannot be used with J45.901?
J45.901 has Excludes1 notes indicating codes that cannot be used together with it, including: bronchitis due to chemicals, gases, fumes and vapors (J68.0); detergent asthma (J69.8); miner's asthma (J60); and 2 more.
Are additional codes required with J45.901?
Yes, when using J45.901, also report: 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); ; eosinophilic asthma (J82.83).
What SNOMED CT codes does J45.901 map to?
J45.901 maps to 16 SNOMED CT concepts: 762521001, 281239006, 708093000, 99031000119107, 708094006, and 11 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for J45.901?
J45.901 is linked to 1 UMLS Concept Unique Identifier: C2887463. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does J45.901 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like unspecified asthma with (acute) exacerbation affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of J45.901?
There is no direct ICD-11 mapping available for J45.901 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.