851 Cerebral laceration and contusion (851.00-851.99) ICD-9-CM
The 851.00-851.99 block classified 851 cerebral laceration and contusion with 80 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 851.00-851.99 Block 80 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.
- 851.00 Cerebral cortx contusion
- 851.01 Cortex contusion-no coma
- 851.02 Cortex contus-brief coma
- 851.03 Cortex contus-mod coma
- 851.04 Cortx contus-prolng coma
- 851.05 Cortex contus-deep coma
- 851.06 Cortex contus-coma NOS
- 851.09 Cortex contus-concus NOS
- 851.10 Cortex contusion/opn wnd
- 851.11 Opn cortx contus-no coma
- 851.12 Opn cort contus-brf coma
- 851.13 Opn cort contus-mod coma
- 851.14 Opn cort contu-prol coma
- 851.15 Opn cort contu-deep coma
- 851.16 Opn cort contus-coma NOS
- 851.19 Opn cortx contus-concuss
- 851.20 Cerebral cortex lacerat
- 851.21 Cortex lacerat w/o coma
- 851.22 Cortex lacera-brief coma
- 851.23 Cortex lacerat-mod coma
- 851.24 Cortex lacerat-prol coma
- 851.25 Cortex lacerat-deep coma
- 851.26 Cortex lacerat-coma NOS
- 851.29 Cortex lacerat-concuss
- 851.30 Cortex lacer w opn wound
- 851.31 Opn cortex lacer-no coma
- 851.32 Opn cortx lac-brief coma
- 851.33 Opn cortx lacer-mod coma
- 851.34 Opn cortx lac-proln coma
- 851.35 Opn cortex lac-deep coma
- 851.36 Opn cortx lacer-coma NOS
- 851.39 Opn cortx lacer-concuss
- 851.40 Cerebel/brain stm contus
- 851.41 Cerebell contus w/o coma
- 851.42 Cerebell contus-brf coma
- 851.43 Cerebell contus-mod coma
- 851.44 Cerebel contus-prol coma
- 851.45 Cerebel contus-deep coma
- 851.46 Cerebell contus-coma NOS
- 851.49 Cerebell contus-concuss
- 851.50 Cerebel contus w opn wnd
- 851.51 Opn cerebe cont w/o coma
- 851.52 Opn cerebe cont-brf coma
- 851.53 Opn cerebe cont-mod coma
- 851.54 Opn cerebe cont-prol com
- 851.55 Opn cerebe cont-deep com
- 851.56 Opn cerebe cont-coma NOS
- 851.59 Opn cerebel cont-concuss
- 851.60 Cerebel/brain stem lacer
- 851.61 Cerebel lacerat w/o coma
- 851.62 Cerebel lacer-brief coma
- 851.63 Cerebel lacerat-mod coma
- 851.64 Cerebel lacer-proln coma
- 851.65 Cerebell lacer-deep coma
- 851.66 Cerebel lacerat-coma NOS
- 851.69 Cerebel lacer-concussion
- 851.70 Cerebel lacer w open wnd
- 851.71 Opn cerebel lac w/o coma
- 851.72 Opn cerebel lac-brf coma
- 851.73 Opn cerebel lac-mod coma
- 851.74 Opn cerebe lac-prol coma
- 851.75 Opn cerebe lac-deep coma
- 851.76 Opn cerebel lac-coma NOS
- 851.79 Opn cerebell lac-concuss
- 851.80 Brain laceration NEC
- 851.81 Brain lacer NEC w/o coma
- 851.82 Brain lac NEC-brief coma
- 851.83 Brain lacer NEC-mod coma
- 851.84 Brain lac NEC-proln coma
- 851.85 Brain lac NEC-deep coma
- 851.86 Brain lacer NEC-coma NOS
- 851.89 Brain lacer NEC-concuss
- 851.90 Brain lac NEC w open wnd
- 851.91 Opn brain lacer w/o coma
- 851.92 Opn brain lac-brief coma
- 851.93 Opn brain lacer-mod coma
- 851.94 Opn brain lac-proln coma
- 851.95 Open brain lac-deep coma
- 851.96 Opn brain lacer-coma NOS
- 851.99 Open brain lacer-concuss
Questions About This Page
Are the 851.00-851.99 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 851.00-851.99 block classify?
The block classified 851 cerebral laceration and contusion with 80 codes in the final ICD-9-CM release. It sat under Injury and poisoning (800–999) 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.
