D43.3 — Neoplasm of uncertain behavior of cranial nerves

Billable

Is D43.3 billable?

Yes — D43.3 is billable for FY2027. D43.3 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. D43.3 may be submitted for encounters from October 1, 2026 through September 30, 2027.

D43.3 at a glance

Code	D43.3
Description	Neoplasm of uncertain behavior of cranial nerves
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Which MS-DRGs does D43.3 group to?

D43.3 sits in MDC 01 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

054Nervous System Neoplasms with MCCmedical
055Nervous System Neoplasms without MCCmedical

Excludes1 — never code together — inherited from D37-D48

The conditions below can never be reported together with D43.3 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

neoplasms of unspecified behavior (D49.-)

Excludes1 — never code together — inherited from D43

The conditions below can never be reported together with D43.3 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

neoplasm of uncertain behavior of peripheral nerves and autonomic nervous system (D48.2)

How long has D43.3 existed?

D43.3 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.