2021 ICD-10-CM Diagnosis Code M11.18

Familial chondrocalcinosis, vertebrae

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • M11.18 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM M11.18 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of M11.18 - other international versions of ICD-10 M11.18 may differ.
The following code(s) above M11.18 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to M11.18:
  • M00-M99
    2021 ICD-10-CM Range M00-M99

    Diseases of the musculoskeletal system and connective tissue

    • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
    Type 2 Excludes
    • arthropathic psoriasis (L40.5-)
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • compartment syndrome (traumatic) (T79.A-)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    Diseases of the musculoskeletal system and connective tissue
Approximate Synonyms
  • Familial chondrocalcinosis of vertebra
ICD-10-CM M11.18 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 553 Bone diseases and arthropathies with mcc
  • 554 Bone diseases and arthropathies without mcc

Convert M11.18 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change

Diagnosis Index entries containing back-references to M11.18:
  • Chondrocalcinosis M11.20
    ICD-10-CM Diagnosis Code M11.20

    Other chondrocalcinosis, unspecified site

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • familial M11.10
      ICD-10-CM Diagnosis Code M11.10

      Familial chondrocalcinosis, unspecified site

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      • vertebrae M11.18

ICD-10-CM Codes Adjacent To M11.18
M11.152 Familial chondrocalcinosis, left hip
M11.159 Familial chondrocalcinosis, unspecified hip
M11.16 Familial chondrocalcinosis, knee
M11.161 Familial chondrocalcinosis, right knee
M11.162 Familial chondrocalcinosis, left knee
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 …… vertebrae
M11.19 …… multiple sites
M11.2 Other chondrocalcinosis
M11.20 …… unspecified site
M11.21 Other chondrocalcinosis, shoulder
M11.211 Other chondrocalcinosis, right shoulder
M11.212 Other chondrocalcinosis, left shoulder
M11.219 Other chondrocalcinosis, unspecified shoulder
M11.22 Other chondrocalcinosis, elbow
M11.221 Other chondrocalcinosis, right elbow
M11.222 Other chondrocalcinosis, left elbow

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.