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Home/Diagnosis/ICD-10 Coding for Mild Intermittent Asthma

ICD-10 Coding for Mild Intermittent Asthma

J45.20
J45.21
J45.22

Complete ICD-10-CM coding and documentation guide for icd-10 coding for mild intermittent asthma includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Asthma, mild intermittent
Intermittent asthma, mild
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Key Information: ICD-10 Coding for Mild Intermittent Asthma

Essential facts and insights about ICD-10 Coding for Mild Intermittent Asthma

Use ICD-10 code J45.20 for mild intermittent asthma, uncomplicated, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Mild intermittent asthma, uncomplicated

Billable Code
J45.20
Billable

Diagnostic Criteria

clinical:
  • • Symptoms occur ≤2 days/week
  • • Nighttime awakenings ≤2x/month
  • • FEV1 ≥80% predicted

Applicable To

  • • Mild intermittent asthma without complications

Important Notes

  • • Ensure documentation specifies 'mild intermittent' to avoid using unspecified codes.

Mild intermittent asthma with (acute) exacerbation

Billable Code
J45.21
Billable

Diagnostic Criteria

clinical:
  • • Increased wheezing
  • • ≥3 SABA doses/24hrs
  • • Decreased PEF

Applicable To

  • • Mild intermittent asthma with acute exacerbation

Important Notes

  • • Document exacerbation triggers and symptoms clearly.

Mild intermittent asthma with status asthmaticus

Billable Code
J45.22
Billable

Diagnostic Criteria

clinical:
  • • Severe, prolonged asthma attack
  • • Requires emergency intervention

Applicable To

  • • Mild intermittent asthma with status asthmaticus

Important Notes

  • • Document the severity and duration of the attack.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z77.22

Exposure to environmental tobacco smoke

Use when there is documented exposure to tobacco smoke.

J20.9

Acute bronchitis

Use if bronchitis is a trigger for the exacerbation.

R06.2

Wheezing

Use if wheezing is a prominent symptom.

Frequently Asked Questions

What is the ICD-10 code for mild intermittent asthma?

The ICD-10 code for mild intermittent asthma without complications is J45.20. If there is an acute exacerbation, use J45.21, and for status asthmaticus, use J45.22.

How do you document mild intermittent asthma?

Document the frequency of symptoms, any exacerbations, and triggers. Include spirometry results if available to support the diagnosis.

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