ICD-10 block

J20–J22 Other acute lower respiratory infections

The block J20–J22 of ICD-10 is titled “Other acute lower respiratory infections”. It is part of Chapter X, Diseases of the respiratory system, and holds 3 groups.

What J20–J22 excludes

Conditions that look similar but belong under another code.

  • chronic obstructive pulmonary disease with acute:
    • exacerbation NOS J44.1
    • lower respiratory infection J44.0

Codes in J20–J22

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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