J91.8

ICD-10Billable

Pleural effusion in other conditions classified elsewhere

Official ICD-10-CM descriptor (FY2026)

Pleural effusion in other conditions classified elsewhere

J91.8 is valid for submission on a claim — CMS flags it as a billable, specific code.

Code first

Sequence the underlying condition before this code.

  • underlying disease, such as:
  • filariasis (B74.0-B74.9)
  • influenza (J09.X2, J10.1, J11.1)

Related codes in J91

Where this code sits

Parent code
J91

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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