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J45.21 – Mild intermittent asthma with (acute) exacerbation

Mild intermittent asthma with (acute) exacerbation

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J45.21 – Mild intermittent asthma with (acute) exacerbation
Andrew Saurin

Medicare CPT / Coverage Preview

Medicare CPT / Coverage Preview
ICD-10: J45.21
Raw ICD: J4521
Context: J45.21 – Mild intermittent asthma with (acute) exacerbation
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Title

J45.21 – Mild intermittent asthma with (acute) exacerbation

Description

Mild intermittent asthma with (acute) exacerbation

Category

Diseases of the Respiratory System

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J45.21 – Mild intermittent asthma with (acute) exacerbation

ICD-10-CM Code

J45.21

Raw ICD Code

J4521

Code Range

J00-J99

Billable / Valid

Valid/Billable

CDC Order Number

13579

Source Year

FY2026

Effective Date

October 1, 2025

Import Batch

icd10cm-fy2026-batch05-of30