D43.2

Billable

Neoplasm of uncertain behavior of brain, unspecified

HCC Category Mapping

V28HCC 23 — Melanoma and Other Skin Cancers

0.251

V24HCC 12 — Breast, Prostate, and Other Cancers and Tumors

0.150

ESRDHCC 12 — Breast, Prostate, and Other Cancers and Tumors

0.000

RxHCCHCC 22 — Cancer, Other Specified Sites

0.000

What This Code Means

A growth in the brain that cannot yet be classified as definitely cancer or definitely benign, but the exact location within the brain is not specified.

Coding Tips

•Use this code only when the specific brain location (supratentorial vs. infratentorial) cannot be determined from documentation
•Query the provider if possible to obtain anatomical location for more precise coding with D43.0 or D43.1

Clinical Significance

This unspecified code represents a brain neoplasm of uncertain behavior when the supratentorial or infratentorial location cannot be determined. Using this code limits prognostic value because tumor location within the brain significantly influences treatment options, surgical approach, and expected outcomes.

Documentation Requirements

✓Use this code only when documentation does not specify whether the tumor is supratentorial or infratentorial.
✓Query the provider and review neuroimaging to identify the specific brain region.
✓Pathology confirmation of uncertain behavior is still required regardless of anatomical specification.

Commonly Confused Codes

D43.0 (supratentorial) and D43.1 (infratentorial) are the site-specific alternatives.D33.2 (benign neoplasm, brain, unspecified) is used for confirmed benign tumors.C71.9 (malignant neoplasm of brain, unspecified) is the malignant counterpart.

Code Hierarchy

└D43Neoplasm of uncertain behavior of brain and central nervous system └D43.2Neoplasm of uncertain behavior of brain, unspecified

└D43.2Neoplasm of uncertain behavior of brain, unspecified