355 Mononeuritis of lower limb (355.0-355.9) ICD-9-CM
The 355.0-355.9 block classified 355 mononeuritis of lower limb with 11 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 355.0-355.9 Block 11 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.
- 355.0 Sciatic nerve lesion
- 355.1 Meralgia paresthetica
- 355.2 Femoral nerve lesion NEC
- 355.3 Lat popliteal nerve les
- 355.4 Med popliteal nerve les
- 355.5 Tarsal tunnel syndrome
- 355.6 Plantar nerve lesion
- 355.71 Causalgia lower limb
- 355.79 Oth mononeur lower limb
- 355.8 Mononeuritis leg NOS
- 355.9 Mononeuritis NOS
Questions About This Page
Are the 355.0-355.9 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 355.0-355.9 block classify?
The block classified 355 mononeuritis of lower limb with 11 codes in the final ICD-9-CM release. It sat under Diseases of the nervous system (320–359) 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.
