MCMedicalCodingSoftware
J84.841

J84.841: Neuroendocrine cell hyperplasia of infancy

Billable / specific codeICD-10-CM

J84.841 is a billable, specific ICD-10-CM code for neuroendocrine cell hyperplasia of infancy. It is valid for submission on a claim.

Check J84.841 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above J84.841

A category’s note binds every code beneath it.

Written on J84.8: Other specified interstitial pulmonary diseases

  • exogenous lipoid pneumonia (J69.1)
  • unspecified lipoid pneumonia (J69.1)

Written on J84: Other interstitial pulmonary diseases

  • drug-induced interstitial lung disorders (J70.2-J70.4)
  • interstitial emphysema (J98.2)

Excludes2 inherited from the categories above J84.841

Not part of this code, but both may be coded when both are present.

Written on J84: Other interstitial pulmonary diseases

  • lung diseases due to external agents (J60-J70)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

J84.841 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
  • A56717Billing and Coding: Respiratory Therapy (Respiratory Care)
  • A57224Billing and Coding: Respiratory Care

Alphabetic index entries that lead here

  • Hyperplasia, hyperplastic›neuroendocrine cell, of infancy

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under J84.84

ICD-10-CMFY2027· effective October 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.