M66.1 - Rupture of synovium

  • Applicable to Rupture of synovium
  • The 2025 edition of ICD10-CM M66.1 became effective on October 1, 2024.
  • This is the American ICD10-CM version of M66.1 - other international versions of ICD10 M66.1 may differ.
  • M66.1 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • M66.1 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.
  • M66.1 - Rupture of synovium
    • M66.1 - Rupture of synovium
    • M66.10 - Rupture of synovium, unspecified joint
    • M66.11 - Rupture of synovium, shoulder
    • M66.111 - Rupture of synovium, right shoulder
    • M66.112 - Rupture of synovium, left shoulder
    • M66.119 - Rupture of synovium, unspecified shoulder
    • M66.12 - Rupture of synovium, elbow
    • M66.121 - Rupture of synovium, right elbow
    • M66.122 - Rupture of synovium, left elbow
    • M66.129 - Rupture of synovium, unspecified elbow
    • M66.13 - Rupture of synovium, wrist
    • M66.131 - Rupture of synovium, right wrist
    • M66.132 - Rupture of synovium, left wrist
    • M66.139 - Rupture of synovium, unspecified wrist
    • M66.14 - Rupture of synovium, hand and fingers
    • M66.141 - Rupture of synovium, right hand
    • M66.142 - Rupture of synovium, left hand
    • M66.143 - Rupture of synovium, unspecified hand
    • M66.144 - Rupture of synovium, right finger(s)
    • M66.145 - Rupture of synovium, left finger(s)
    • M66.146 - Rupture of synovium, unspecified finger(s)
    • M66.15 - Rupture of synovium, hip
    • M66.151 - Rupture of synovium, right hip
    • M66.152 - Rupture of synovium, left hip
    • M66.159 - Rupture of synovium, unspecified hip
    • M66.17 - Rupture of synovium, ankle, foot and toes
    • M66.171 - Rupture of synovium, right ankle
    • M66.172 - Rupture of synovium, left ankle
    • M66.173 - Rupture of synovium, unspecified ankle
    • M66.174 - Rupture of synovium, right foot
    • M66.175 - Rupture of synovium, left foot
    • M66.176 - Rupture of synovium, unspecified foot
    • M66.177 - Rupture of synovium, right toe(s)
    • M66.178 - Rupture of synovium, left toe(s)
    • M66.179 - Rupture of synovium, unspecified toe(s)
    • M66.18 - Rupture of synovium, other site

 Inclusion Term

  • Rupture of synovial cyst

Type 2 Excludes

  • rupture of popliteal cyst (M66.0)

The following codes above M66.1 contain annotation back-references that may be applicable to M66.1:

Chapter: M00-M99 Diseases of the musculoskeletal system and connective tissue

Section: M65-M67 Disorders of synovium and tendon

Category: M66 Spontaneous rupture of synovium and tendon

  
Non-Billable/Non-Specific Code

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