AutoICD API

J45.21

Billable

Mild intermittent asthma with (acute) exacerbation

Mild intermittent asthma with (acute) exacerbation

Status

Billable / Specific

Block

J40-J4A

Parent Code

J45.2

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)

  • bronchitis due to chemicals, gases, fumes and vapors (J68.0)
  • detergent asthma (J69.8)
  • miner's asthma (J60)
  • wheezing NOS (R06.2)
  • wood asthma (J67.8)

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)

Also Known As / Clinical Terms

SNOMED CT

UMLS

Frequently Asked Questions

What is the ICD-10 code for mild intermittent asthma with (acute) exacerbation?

The ICD-10-CM code for mild intermittent asthma with (acute) exacerbation is J45.21. The full clinical description is "Mild intermittent asthma with (acute) exacerbation". J45.21 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code J45.21 mean?

ICD-10-CM code J45.21 represents "Mild intermittent 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 J45.21 a billable code?

Yes, J45.21 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is J45.21 in?

J45.21 is in Chapter 10: Diseases of the Respiratory System (codes J00-J99).

What codes cannot be used with J45.21?

J45.21 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 J45.21?

Yes, when using J45.21 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 SNOMED CT codes does J45.21 map to?

J45.21 maps to 4 SNOMED CT concepts: 10674791000119101, 425969006, 10674991000119104, 427603009. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for J45.21?

J45.21 is linked to 1 UMLS Concept Unique Identifier: C2887450. 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.