MCMCB Pro
J70

J70Respiratory conditions due to other external agents

Non-billable headerICD-10-CM

J70 is a non-billable header ICD-10-CM code for respiratory conditions due to other external agents. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with J70

These codes carry an Excludes1 note pointing at J70. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading J70 alone.

  • J18Pneumonia, unspecified organism
  • J81Pulmonary edema
  • J84Other interstitial pulmonary diseases
  • J84.1Other interstitial pulmonary diseases with fibrosis
  • T66Radiation sickness, unspecified
  • T66.XXXARadiation sickness, unspecified, initial encounter
  • T66.XXXDRadiation sickness, unspecified, subsequent encounter
  • T66.XXXSRadiation sickness, unspecified, sequela

Risk adjustment

J70 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead J70

8 child codes. Green means billable.

Questions about J70

Is J70 a billable ICD-10-CM code?
No. J70 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does J70 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.