M85.5 - Aneurysmal bone cyst

  • Applicable to Aneurysmal bone cyst
  • The 2025 edition of ICD10-CM M85.5 became effective on October 1, 2024.
  • This is the American ICD10-CM version of M85.5 - other international versions of ICD10 M85.5 may differ.
  • M85.5 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • M85.5 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.
  • M85.5 - Aneurysmal bone cyst
    • M85.5 - Aneurysmal bone cyst
    • M85.50 - Aneurysmal bone cyst, unspecified site
    • M85.51 - Aneurysmal bone cyst, shoulder
    • M85.511 - Aneurysmal bone cyst, right shoulder
    • M85.512 - Aneurysmal bone cyst, left shoulder
    • M85.519 - Aneurysmal bone cyst, unspecified shoulder
    • M85.52 - Aneurysmal bone cyst, upper arm
    • M85.521 - Aneurysmal bone cyst, right upper arm
    • M85.522 - Aneurysmal bone cyst, left upper arm
    • M85.529 - Aneurysmal bone cyst, unspecified upper arm
    • M85.53 - Aneurysmal bone cyst, forearm
    • M85.531 - Aneurysmal bone cyst, right forearm
    • M85.532 - Aneurysmal bone cyst, left forearm
    • M85.539 - Aneurysmal bone cyst, unspecified forearm
    • M85.54 - Aneurysmal bone cyst, hand
    • M85.541 - Aneurysmal bone cyst, right hand
    • M85.542 - Aneurysmal bone cyst, left hand
    • M85.549 - Aneurysmal bone cyst, unspecified hand
    • M85.55 - Aneurysmal bone cyst, thigh
    • M85.551 - Aneurysmal bone cyst, right thigh
    • M85.552 - Aneurysmal bone cyst, left thigh
    • M85.559 - Aneurysmal bone cyst, unspecified thigh
    • M85.56 - Aneurysmal bone cyst, lower leg
    • M85.561 - Aneurysmal bone cyst, right lower leg
    • M85.562 - Aneurysmal bone cyst, left lower leg
    • M85.569 - Aneurysmal bone cyst, unspecified lower leg
    • M85.57 - Aneurysmal bone cyst, ankle and foot
    • M85.571 - Aneurysmal bone cyst, right ankle and foot
    • M85.572 - Aneurysmal bone cyst, left ankle and foot
    • M85.579 - Aneurysmal bone cyst, unspecified ankle and foot
    • M85.58 - Aneurysmal bone cyst, other site
    • M85.59 - Aneurysmal bone cyst, multiple sites

Type 2 Excludes

  • aneurysmal cyst of jaw (M27.4)

The following codes above M85.5 contain annotation back-references that may be applicable to M85.5:

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

Section: M80-M85 Disorders of bone density and structure

Category: M85 Other disorders of bone density and structure

 
Non-Billable/Non-Specific Code

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