728 Disorders of muscle, ligament, and fascia (728.0-728.9) ICD-9-CM
The 728.0-728.9 block classified 728 disorders of muscle, ligament, and fascia with 23 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 728.0-728.9 Block 23 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.
- 728.0 Infective myositis
- 728.10 Muscular calcificat NOS
- 728.11 Prog myositis ossificans
- 728.12 Traum myositis ossifican
- 728.13 Postop heterotopic calc
- 728.19 Muscular calcificat NEC
- 728.2 Musc disuse atrophy NEC
- 728.3 Muscle disorders NEC
- 728.4 Laxity of ligament
- 728.5 Hypermobility syndrome
- 728.6 Contracted palmar fascia
- 728.71 Plantar fibromatosis
- 728.79 Fibromatoses NEC
- 728.81 Interstitial myositis
- 728.82 FB granuloma of muscle
- 728.83 Nontraum muscle rupture
- 728.84 Diastasis of muscle
- 728.85 Spasm of muscle
- 728.86 Necrotizing fasciitis
- 728.87 Muscle weakness-general
- 728.88 Rhabdomyolysis
- 728.89 Muscle/ligament dis NEC
- 728.9 Muscle/ligament dis NOS
Questions About This Page
Are the 728.0-728.9 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 728.0-728.9 block classify?
The block classified 728 disorders of muscle, ligament, and fascia with 23 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.