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

ICD-10 Coding for Moderate Persistent Asthma

J45.40
J45.41
J45.42

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

Also Known as:
Chronic Asthma
Asthma with Moderate Persistence
asthma moderate persistent
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Key Information: ICD-10 Coding for Moderate Persistent Asthma

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

Use ICD-10 code J45.40 for moderate persistent asthma, uncomplicated, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Moderate persistent asthma, uncomplicated

Billable Code
J45.40
Billable

Diagnostic Criteria

  • • Daily symptoms
  • • Nighttime awakenings >1/week
  • • FEV1 60-80% predicted

Applicable To

  • • Asthma with moderate persistence without complications

Important Notes

  • • Ensure documentation specifies 'moderate persistent' to avoid unspecified coding.

Moderate persistent asthma with (acute) exacerbation

Billable Code
J45.41
Billable

Diagnostic Criteria

  • • ER visit for increased wheezing
  • • Albuterol use every 2 hours

Applicable To

  • • Asthma with moderate persistence and acute exacerbation

Important Notes

  • • Ensure exacerbation is clearly documented to justify this code.

Moderate persistent asthma with status asthmaticus

Billable Code
J45.42
Billable

Diagnostic Criteria

  • • Intubation required for respiratory failure
  • • ABG pH <7.30

Applicable To

  • • Asthma with moderate persistence and status asthmaticus

Important Notes

  • • Ensure documentation supports the severity of status asthmaticus.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z79.51

Long-term use of inhaled steroids

Use when documenting long-term steroid use for asthma management.

J20.9

Acute bronchitis

Use when acute bronchitis is the trigger for asthma exacerbation.

Frequently Asked Questions

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

The ICD-10 code for moderate persistent asthma is J45.4x, where x indicates the complication status: 0 for uncomplicated, 1 for exacerbation, and 2 for status asthmaticus.

How do you code moderate persistent asthma with an exacerbation?

Code J45.41 is used for moderate persistent asthma with an acute exacerbation. Ensure documentation specifies the exacerbation details.

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