237 Neoplasm of uncertain behavior of endocrine glands and nervous system (237.0-237.9) ICD-9-CM
The 237.0-237.9 block classified 237 neoplasm of uncertain behavior of endocrine glands and nervous system with 13 legacy diagnosis codes. None remain valid for claim submission; each code below links to its reference page with the official ICD-10-CM replacement under the CMS General Equivalence Mappings.
Retired Code Set
ICD-9-CM stopped being valid for U.S. claims with dates of service on or after October 1, 2015, when ICD-10-CM replaced it. Use this index for historical lookups and crosswalking; for current coding, start from the ICD-10-CM codes list or the ICD-9 / ICD-10 converter.
Legacy Codes in the 237.0-237.9 Block 13 codes
None of these codes remain valid for claim submission. Each code page shows its ICD-10-CM replacement under the CMS General Equivalence Mappings.
- 237.0 Unc behav neo pituitary
- 237.1 Unc behav neo pineal
- 237.2 Unc behav neo adrenal
- 237.3 Unc behav neo paragang
- 237.4 Uncer neo endocrine NEC
- 237.5 Unc beh neo brain/spinal
- 237.6 Unc behav neo meninges
- 237.70 Neurofibromatosis NOS
- 237.71 Neurofibromatosis type I
- 237.72 Neurofibromatosis typ II
- 237.73 Schwannomatosis
- 237.79 Neurofibromatosis NEC
- 237.9 Unc beh neo nerv sys NEC
Questions About This Page
Are the 237.0-237.9 codes still billable?
No. Every code in this block became invalid for U.S. claims after September 30, 2015. Each code page linked above shows the ICD-10-CM replacement CMS assigned in the General Equivalence Mappings, and the ICD-9 / ICD-10 converter translates any of them directly.
What did the 237.0-237.9 block classify?
The block classified 237 neoplasm of uncertain behavior of endocrine glands and nervous system with 13 codes in the final ICD-9-CM release. It sat under Neoplasms (140–239) in the legacy hierarchy.
Related References
Source: final CMS ICD-9-CM release (version date October 1, 2014). Retired from U.S. claims after September 30, 2015.
