D42.9 Neoplasm of uncertain behavior of meninges, unspecified

Billable ICD-10-CM code, FY2026.

Risk adjustment (HCC)

• CMS-HCC V28: HCC 23 — Prostate, Breast, and Other Cancers and Tumors
• CMS-HCC V22: HCC 12 — Breast, Prostate, and Other Cancers and Tumors
• RxHCC V08: HCC 22 — Prostate, Breast, Bladder, and Other Cancers and Tumors
• ESRD V24: HCC 12

MS-DRG index

Defines the logic of DRG(s) 054-055 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 237.6 Neoplasm of uncertain behavior of meninges (approximate)

Code annotations containing back-references to D42.9

Back-references to D42

• Type 1 Excludes: D49 Neoplasms of unspecified behavior ("neoplasms of uncertain behavior (D37-D44, D48)")

Nearby codes

• 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
• D42.9 Neoplasm of uncertain behavior of meninges, unspecified (this code)