M14.661

✓ Billable

Charcôt's joint, right knee

Diseases of the musculoskeletal system and connective tissue (M00-M99)

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❌ Excludes1

inherited

Rules inherited from parent codes in the hierarchy.

  • Charcôt's joint in diabetes mellitus (E08-E13 with .610)
  • Charcôt's joint in tabes dorsalis (A52.16)
  • arthropathy in:
  • diabetes mellitus (E08-E13 with .61-)
  • hematological disorders (M36.2-M36.3)
  • hypersensitivity reactions (M36.4)
  • neoplastic disease (M36.1)
  • neurosyphillis (A52.16)
  • sarcoidosis (D86.86)
  • enteropathic arthropathies (M07.-)
  • juvenile psoriatic arthropathy (L40.54)
  • lipoid dermatoarthritis (E78.81)

Clinical Description

ICD-10-CM code M14.661 represents charcôt's joint, right knee. This code falls under the Diseases of the musculoskeletal system and connective tissue (M00-M99) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.

This is a 7-character code at the 6th level of specificity. This is the most specific code available in this subcategory. Coders should note that M14.661 has 12 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.

Frequently Asked Questions

What is ICD-10 code M14.661?

ICD-10-CM code M14.661 is "Charcôt's joint, right knee". It belongs to the category: Diseases of the musculoskeletal system and connective tissue (M00-M99).

Is M14.661 a billable ICD-10 code?

Yes, M14.661 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What codes are excluded with M14.661?

M14.661 has 12 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.

Related Codes in M14.66

Other codes in the same category that may be relevant for differential coding:

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Code Information

CodeM14.661
BillableYes
ParentM14.66
CategoryDiseases of the musculoskeletal system and connective tissue (M00-M99)
Excludes112 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)