Familial chondrocalcinosis, knee

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 3 more specific codes instead:

M11.161 Familial chondrocalcinosis, right knee
M11.162 Familial chondrocalcinosis, left knee
M11.169 Familial chondrocalcinosis, unspecified knee

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

FY2012 Added to the draft code set draft Familial chondrocalcinosis, knee

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Atrophy, atrophic > cartilage
Disease, diseased > cartilage
Disorder > cartilage > articular NEC > chondrocalcinosis
Chondrocalcinosis > familial > knee

Codes in the same group

Code	Description	Status
M11.10	Familial chondrocalcinosis, unspecified site	Valid
M11.11	Familial chondrocalcinosis, shoulder	Not billable
M11.12	Familial chondrocalcinosis, elbow	Not billable
M11.13	Familial chondrocalcinosis, wrist	Not billable
M11.14	Familial chondrocalcinosis, hand	Not billable
M11.15	Familial chondrocalcinosis, hip	Not billable
M11.17	Familial chondrocalcinosis, ankle and foot	Not billable
M11.18	Familial chondrocalcinosis, vertebrae	Valid
M11.19	Familial chondrocalcinosis, multiple sites	Valid