D42.9 NEOPLASM OF UNCERTAIN BEHAVIOR OF MENINGES, UNSPECIFIED

Code Information

Diagnosis Code: D42.9
Short Description: Neoplasm of uncertain behavior of meninges, unspecified
Long Description: Neoplasm of uncertain behavior of meninges, unspecified
Code Version: 2025 ICD-10-CM

The code D42.9 is VALID for claim submission

Code Classification

Neoplasms (C00–D49)
- Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes (D37-D48)
  - Neoplasm of uncertain behavior of meninges (D42)

Synonyms

Meningioma of uncertain behavior
Neoplasm of uncertain behavior of meninges
Solitary fibrous tumor
Solitary fibrous tumor of meninges

Crosswalk Information

ICD-10 Code		ICD-9 Code	ICD-9 Description
D42.9		237.6	Unc behav neo meninges

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code	ICD-10 Description
D42	Neoplasm of uncertain behavior of meninges
D42.0	Neoplasm of uncertain behavior of cerebral meninges
D42.1	Neoplasm of uncertain behavior of spinal meninges

This page was last updated on: 10/1/2025

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