J45.90
Non-billableUnspecified asthma
Unspecified asthma
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Asthmatic bronchitis NOS
- Childhood asthma NOS
- Late onset asthma
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 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)
- cystic fibrosis (E84.-)
- 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 Code
Additional codes that should follow this code
- 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)
- code to identify:
- eosinophilic asthma (J82.83)
Child Codes (3)
Also Known As / Clinical Terms
UMLS
- Airway hyperreactivityC0004096
- AsthmaC0004096
- Asthma (disorder)C0004096
- Asthma NOSC0004096
- Asthma bronchialC0004096
- Asthma, BronchialC0004096
- Asthma, unspecifiedC0004096
- AsthmasC0004096
- AsthmaticC0004096
- Bronchial AsthmaC0004096
- Bronchial asthmaC0004096
- Bronchitic asthmaC0004096
- Unspecified asthmaC0004096
- asthmaC0004096
- asthma disordersC0004096
- asthmaticC0004096
- asthmaticsC0004096
- br asthmaC0004096
- bronchial asthmaC0004096
- bronchitic asthmaC0004096
- Asthma in ChildrenC0264408
- Childhood AsthmaC0264408
- Childhood asthmaC0264408
- Childhood asthma (disorder)C0264408
- Childhood asthma NOSC0264408
- Pediatric asthmaC0264408
- asthma childhoodC0264408
- childhood asthmaC0264408
- Asthma late onsetC0264413
- Late onset asthmaC0264413
- Late onset asthma (disorder)C0264413
- Late-onset asthmaC0264413
- late onset asthmaC0264413
- late-onset asthmaC0264413
- Asthmatic bronchitisC1319018
- Asthmatic bronchitis (disorder)C1319018
- Asthmatic bronchitis NOSC1319018
- Bronchitis asthmaticC1319018
- Wheezy bronchitisC1319018
- asthma bronchitisC1319018
- asthmatic bronchitisC1319018
- bronchitis asthmaC1319018
- bronchitis asthmaticC1319018
- wheezy bronchitisC1319018
Frequently Asked Questions
What is the ICD-10 code for unspecified asthma?
The ICD-10-CM code for unspecified asthma is J45.90. The full clinical description is "Unspecified asthma". J45.90 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code J45.90 mean?
ICD-10-CM code J45.90 represents "Unspecified asthma". It is classified under Chapter 10: Diseases of the Respiratory System and is a non-billable header code. Use a more specific child code for billing purposes.
Is J45.90 a billable code?
No, J45.90 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under J45.90.
What chapter is J45.90 in?
J45.90 is in Chapter 10: Diseases of the Respiratory System (codes J00-J99).
What codes cannot be used with J45.90?
J45.90 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.
What are the subcategories under J45.90?
J45.90 has 3 child codes, including: J45.901 (Unspecified asthma with (acute) exacerbation), J45.902 (Unspecified asthma with status asthmaticus), J45.909 (Unspecified asthma, uncomplicated).
Are additional codes required with J45.90?
Yes, when using J45.90 you should also code: 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); code to identify:; eosinophilic asthma (J82.83).
What are the UMLS CUIs for J45.90?
J45.90 is linked to 4 UMLS Concept Unique Identifiers: C0004096, C0264408, C0264413, C1319018. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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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.