M11.18 Familial chondrocalcinosis, vertebrae

Billable ICD-10-CM code, FY2026.

MS-DRG index

Defines the logic of DRG(s) 553-554 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 712.38 Chondrocalcinosis, unspecified, other specified sites (approximate)

Code annotations containing back-references to M11.18

Back-references to M11.1

• Type 1 Excludes: E83.5 Disorders of calcium metabolism ("chondrocalcinosis (M11.1-M11.2)")
• Type 2 Excludes: M24.1 Other articular cartilage disorders ("chondrocalcinosis (M11.1-, M11.2-)")

Diagnosis Index entries for M11.18

• Chondrocalcinosis › familial › vertebrae

Nearby codes

• M11.169 Familial chondrocalcinosis, unspecified knee
• M11.17 Familial chondrocalcinosis, ankle and foot
• M11.171 Familial chondrocalcinosis, right ankle and foot
• M11.172 Familial chondrocalcinosis, left ankle and foot
• M11.179 Familial chondrocalcinosis, unspecified ankle and foot
• M11.18 Familial chondrocalcinosis, vertebrae (this code)
• M11.19 Familial chondrocalcinosis, multiple sites
• M11.2 Other chondrocalcinosis
• M11.20 Other chondrocalcinosis, unspecified site
• M11.21 Other chondrocalcinosis, shoulder
• M11.211 Other chondrocalcinosis, right shoulder