M11.1 – Familial chondrocalcinosis

ICD-10-CM 2027 diagnosis code · Inflammatory polyarthropathies

Non-billable header

ICD-10-CM code M11.1

Code: M11.1 (claims format: M111)
Description: Familial chondrocalcinosis
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
Block: M05-M14 Inflammatory polyarthropathies
Parent codes: M11

Billable codes under M11.1

M11.1 is a header code and cannot be used on claims. Choose the most specific code:

M11.10 – Familial chondrocalcinosis, unspecified siteBillable
M11.11 – Familial chondrocalcinosis, shoulderHeader (more codes below)
M11.12 – Familial chondrocalcinosis, elbowHeader (more codes below)
M11.13 – Familial chondrocalcinosis, wristHeader (more codes below)
M11.14 – Familial chondrocalcinosis, handHeader (more codes below)
M11.15 – Familial chondrocalcinosis, hipHeader (more codes below)
M11.16 – Familial chondrocalcinosis, kneeHeader (more codes below)
M11.17 – Familial chondrocalcinosis, ankle and footHeader (more codes below)
M11.18 – Familial chondrocalcinosis, vertebraeBillable
M11.19 – Familial chondrocalcinosis, multiple sitesBillable

Related codes in M11

Frequently asked questions

What is ICD-10 code M11.1?

M11.1 is the ICD-10-CM code for familial chondrocalcinosis, in the block M05-M14 (Inflammatory polyarthropathies).

Is M11.1 a billable code?

No. M11.1 is a header code with more specific child codes; report one of the billable codes listed above.

What category does M11.1 belong to?

It belongs to category M11 – Other crystal arthropathies.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.