M14.662 – Charcot's joint, left knee

ICD-10-CM 2027 diagnosis code · Inflammatory polyarthropathies

Billable code

ICD-10-CM code M14.662

Code: M14.662 (claims format: M14662)
Description: Charcot's joint, left knee
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
Block: M05-M14 Inflammatory polyarthropathies
Parent codes: M14 › M14.6 › M14.66

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

M14 – Arthropathies in other diseases classified elsewhere

Excludes1 (not coded here):

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)

M14.6 – Charcot's joint

Applicable to:

Neuropathic arthropathy

Excludes1 (not coded here):

Charcôt's joint in diabetes mellitus (E08-E13 with .610)
Charcôt's joint in tabes dorsalis (A52.16)

Related codes in M14.66

M14.661 – Charcot's joint, right kneeBillable
M14.669 – Charcot's joint, unspecified kneeBillable

Frequently asked questions

What is ICD-10 code M14.662?

M14.662 is the ICD-10-CM code for charcot's joint, left knee, in the block M05-M14 (Inflammatory polyarthropathies).

Is M14.662 a billable code?

Yes. M14.662 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does M14.662 belong to?

It belongs to category M14 – Arthropathies in other diseases classified elsewhere.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.