ICD Code D49.6

ICD code D49.6 is a diagnosis for a brain tumor whose behavior—whether benign, malignant, or uncertain—has not been specified.

1. Presence of a brain lesion identified through imaging studies (CT, MRI) that is confirmed to be a neoplasm

2. Histopathological evaluation is inconclusive or not performed, leaving the behavior (benign, in situ, malignant) of the neoplasm undetermined

3. Clinical presentation may include neurological symptoms such as headaches, seizures, cognitive changes, or focal neurological deficits

4. No definitive evidence of metastatic disease or primary malignancy elsewhere

5. The neoplasm does not meet criteria for classification as benign, in situ, or malignant based on current clinical and diagnostic findings

Applicable CPT codes for ICD code D49.6 may include:

- 61510: Craniectomy or craniotomy, for excision of brain tumor, supratentorial, except meningioma

- 61512: Craniectomy or craniotomy, for excision of brain tumor, infratentorial or posterior fossa

- 61796: Stereotactic computer-assisted (navigational) procedure; cranial lesion

- 61798: Stereotactic computer-assisted (navigational) procedure; cranial, with excision or ablation

- 70551: MRI, brain, without contrast

- 70553: MRI, brain, without and with contrast

- 77011: Magnetic resonance guidance for stereotactic localization

- 99204–99205: New patient office or other outpatient visit (for initial evaluation)

- 99214–99215: Established patient office or other outpatient visit (for follow-up care)

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