712 Crystal arthropathies (712.10-712.99) ICD-9-CM
The 712.10-712.99 block classified 712 crystal arthropathies with 50 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 712.10-712.99 Block 50 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.
- 712.10 Dicalc phos cryst-unspec
- 712.11 Dicalc phos cryst-shlder
- 712.12 Dicalc phos cryst-up/arm
- 712.13 Dicalc phos crys-forearm
- 712.14 Dicalc phos cryst-hand
- 712.15 Dicalc phos cryst-pelvis
- 712.16 Dicalc phos cryst-l/leg
- 712.17 Dicalc phos cryst-ankle
- 712.18 Dicalc phos cry-site NEC
- 712.19 Dicalc phos cryst-mult
- 712.20 Pyrophosph cryst-unspec
- 712.21 Pyrophosph cryst-shlder
- 712.22 Pyrophosph cryst-up/arm
- 712.23 Pyrophosph cryst-forearm
- 712.24 Pyrophosph cryst-hand
- 712.25 Pyrophosph cryst-pelvis
- 712.26 Pyrophosph cryst-l/leg
- 712.27 Pyrophosph cryst-ankle
- 712.28 Pyrophos cryst-site NEC
- 712.29 Pyrophos cryst-mult
- 712.30 Chondrocalcin NOS-unspec
- 712.31 Chondrocalcin NOS-shlder
- 712.32 Chondrocalcin NOS-up/arm
- 712.33 Chondrocalc NOS-forearm
- 712.34 Chondrocalcin NOS-hand
- 712.35 Chondrocalcin NOS-pelvis
- 712.36 Chondrocalcin NOS-l/leg
- 712.37 Chondrocalcin NOS-ankle
- 712.38 Chondrocalc NOS-oth site
- 712.39 Chondrocalcin NOS-mult
- 712.80 Cryst arthrop NEC-unspec
- 712.81 Cryst arthrop NEC-shlder
- 712.82 Cryst arthrop NEC-up/arm
- 712.83 Crys arthrop NEC-forearm
- 712.84 Cryst arthrop NEC-hand
- 712.85 Cryst arthrop NEC-pelvis
- 712.86 Cryst arthrop NEC-l/leg
- 712.87 Cryst arthrop NEC-ankle
- 712.88 Cry arthrop NEC-oth site
- 712.89 Cryst arthrop NEC-mult
- 712.90 Cryst arthrop NOS-unspec
- 712.91 Cryst arthrop NOS-shldr
- 712.92 Cryst arthrop NOS-up/arm
- 712.93 Crys arthrop NOS-forearm
- 712.94 Cryst arthrop NOS-hand
- 712.95 Cryst arthrop NOS-pelvis
- 712.96 Cryst arthrop NOS-l/leg
- 712.97 Cryst arthrop NOS-ankle
- 712.98 Cry arthrop NOS-oth site
- 712.99 Cryst arthrop NOS-mult
Questions About This Page
Are the 712.10-712.99 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 712.10-712.99 block classify?
The block classified 712 crystal arthropathies with 50 codes in the final ICD-9-CM release. It sat under Diseases of the musculoskeletal system and connective tissue (710–739) 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.
