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J68.2

J68.2Upper respiratory inflammation due to chemicals, gases, fumes and vapors, not elsewhere classified

Billable / specific codeICD-10-CM

J68.2 is a billable, specific ICD-10-CM code for upper respiratory inflammation due to chemicals, gases, fumes and vapors, not elsewhere classified. It is valid for submission on a claim.

Other codes that can never be billed with J68.2

These codes carry an Excludes1 note pointing at J68.2. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading J68.2 alone.

  • J39Other diseases of upper respiratory tract

Risk adjustment

J68.2 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 280 Chronic Obstructive Pulmonary Disease, Interstitial Lung Disorders, and Other Chronic Lung Disorders0.319 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

J68.2 is named in 12 Medicare coverage policies 12 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52466Nebulizers - Policy Article
  • A52466Nebulizers - Policy Article
  • A52466Nebulizers - Policy Article
  • A52466Nebulizers - Policy Article

How J68.2 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to J68.2.

  • Inflammation, inflamed, inflammatoryrespiratory, upperdue tochemicals, gases, fumes or vapors(inhalation)

Related codes at this level

Codes that share J68. If J68.2 is not quite right, the correct code is usually one of these.

Questions about J68.2

Is J68.2 a billable ICD-10-CM code?
Yes. J68.2 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does J68.2 sit in the tabular list?
Diseases of the respiratory system (J00-J99), in the block Lung diseases due to external agents (J60-J70).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.