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Home/Diagnosis/ICD-10 Coding for Severe Persistent Asthma

ICD-10 Coding for Severe Persistent Asthma

J45.50
J45.51
J45.52

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

Also Known as:
Chronic Severe Asthma
Severe Asthma
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Key Information: ICD-10 Coding for Severe Persistent Asthma

Essential facts and insights about ICD-10 Coding for Severe Persistent Asthma

Use ICD-10 code J45.50 for severe persistent asthma, uncomplicated, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Severe persistent asthma, uncomplicated

Billable Code
J45.50
Billable

Diagnostic Criteria

  • • Patient exhibits daily symptoms with FEV1 <60% predicted without acute exacerbation.

Applicable To

  • • Chronic severe asthma without acute exacerbation

Important Notes

  • • Ensure severity is documented as 'severe persistent' to use this code.

Severe persistent asthma with (acute) exacerbation

Billable Code
J45.51
Billable

Diagnostic Criteria

  • • Increased rescue inhaler use
  • • Nighttime awakenings
  • • Activity limitation
  • • PEF/FEV1 drop >30%

Applicable To

  • • Severe asthma with acute exacerbation

Important Notes

  • • Ensure documentation specifies the trigger of the exacerbation.

Severe persistent asthma with status asthmaticus

Billable Code
J45.52
Billable

Diagnostic Criteria

  • • Life-threatening condition
  • • Unresponsive to standard bronchodilators

Applicable To

  • • Severe asthma unresponsive to treatment

Important Notes

  • • Ensure documentation reflects the severity and unresponsiveness to treatment.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z77.22

Contact with and (suspected) exposure to environmental tobacco smoke

Use when there is documented exposure to tobacco smoke.

J20.4

Acute bronchitis due to parainfluenza virus

Use when exacerbation is triggered by a viral infection.

Frequently Asked Questions

What is the ICD-10 code for severe persistent asthma?

The ICD-10 code for severe persistent asthma is J45.50 for uncomplicated cases, J45.51 for cases with acute exacerbation, and J45.52 for cases with status asthmaticus.

How do you code severe persistent asthma with an exacerbation?

Code J45.51 is used for severe persistent asthma with an acute exacerbation. Ensure to document the trigger and use additional codes if necessary.

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