801 Fracture of base of skull (801.00-801.99) ICD-9-CM
The 801.00-801.99 block classified 801 fracture of base of skull 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 801.00-801.99 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.
- 801.00 Clos skull base fracture
- 801.01 Cl skul base fx w/o coma
- 801.02 Cl skul base fx-brf coma
- 801.03 Cl skul base fx-mod coma
- 801.04 Cl skl base fx-prol coma
- 801.05 Cl skl base fx-deep coma
- 801.06 Cl skul base fx-coma NOS
- 801.09 Cl skull base fx-concuss
- 801.10 Cl skl base fx/cereb lac
- 801.11 Cl skul base fx w/o coma
- 801.12 Cl skul base fx-brf coma
- 801.13 Cl skul base fx-mod coma
- 801.14 Cl skl base fx-prol coma
- 801.15 Cl skl base fx-deep coma
- 801.16 Cl skul base fx-coma NOS
- 801.19 Cl skull base fx-concuss
- 801.20 Cl skl base fx/menin hem
- 801.21 Cl skul base fx w/o coma
- 801.22 Cl skul base fx/brf coma
- 801.23 Cl skul base fx-mod coma
- 801.24 Cl skl base fx-prol coma
- 801.25 Cl skl base fx-deep coma
- 801.26 Cl skul base fx-coma NOS
- 801.29 Cl skull base fx-concuss
- 801.30 Cl skull base fx/hem NEC
- 801.31 Cl skul base fx w/o coma
- 801.32 Cl skul base fx-brf coma
- 801.33 Cl skul base fx-mod coma
- 801.34 Cl skl base fx-prol coma
- 801.35 Cl skl base fx-deep coma
- 801.36 Cl skul base fx-coma NOS
- 801.39 Cl skull base fx-concuss
- 801.40 Cl sk base fx/br inj NEC
- 801.41 Cl skul base fx w/o coma
- 801.42 Cl skul base fx-brf coma
- 801.43 Cl skul base fx-mod coma
- 801.44 Cl skl base fx-prol coma
- 801.45 Cl skl base fx-deep coma
- 801.46 Cl skul base fx-coma NOS
- 801.49 Cl skull base fx-concuss
- 801.50 Open skull base fracture
- 801.51 Opn skl base fx w/o coma
- 801.52 Opn skl base fx-brf coma
- 801.53 Opn skl base fx-mod coma
- 801.54 Op skl base fx-prol coma
- 801.55 Op skl base fx-deep coma
- 801.56 Opn skl base fx-coma NOS
- 801.59 Opn skul base fx-concuss
- 801.60 Op skl base fx/cereb lac
- 801.61 Opn skl base fx w/o coma
- 801.62 Opn skl base fx-brf coma
- 801.63 Opn skl base fx-mod coma
- 801.64 Op skl base fx-prol coma
- 801.65 Op skl base fx-deep coma
- 801.66 Opn skl base fx-coma NOS
- 801.69 Opn skul base fx-concuss
- 801.70 Op skl base fx/menin hem
- 801.71 Opn skl base fx w/o coma
- 801.72 Opn skl base fx-brf coma
- 801.73 Opn skl base fx-mod coma
- 801.74 Op skl base fx-prol coma
- 801.75 Op skl base fx-deep coma
- 801.76 Opn skl base fx-coma NOS
- 801.79 Opn skul base fx-concuss
- 801.80 Opn skul base fx/hem NEC
- 801.81 Opn skl base fx w/o coma
- 801.82 Opn skl base fx-brf coma
- 801.83 Opn skl base fx-mod coma
- 801.84 Op skl base fx-prol coma
- 801.85 Op skl base fx-deep coma
- 801.86 Opn skl base fx-coma NOS
- 801.89 Opn skul base fx-concuss
- 801.90 Op sk base fx/br inj NEC
- 801.91 Op skul base fx w/o coma
- 801.92 Opn skl base fx-brf coma
- 801.93 Opn skl base fx-mod coma
- 801.94 Op skl base fx-prol coma
- 801.95 Op skl base fx-deep coma
- 801.96 Opn skl base fx-coma NOS
- 801.99 Opn skul base fx-concuss
Questions About This Page
Are the 801.00-801.99 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 801.00-801.99 block classify?
The block classified 801 fracture of base of skull 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.
