2027 ICD-10-CM Diagnosis Code M14.642Charcot's joint, left hand
ICD-10-CM Codes›M00–M99›M05-M14›M14
- Billable — Valid for Submission
- Chronic Condition
M14.642 is a billable ICD-10-CM diagnosis code for Charcot's joint, left hand. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 553 through 554. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Neurogenic/neuropathic arthropathy.
Code Identity
Code Classification
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to M14.642: its own notes plus those printed at M14.6, M14, block M00-M25, and Chapter 13. A note printed at a category, block or chapter applies to every code under it.
Includes
Further defines, or gives examples of, the content of the category.
- Disorders affecting predominantly peripheral (limb) joints
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
- 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)
Notes
General instructions on how these codes are used.
- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name M14.642, its category, or a range that includes it.
Excludes2 1
These codes carry an Excludes2 note naming M14.642: its condition is not part of those codes, and both may be reported when the patient has both.
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Arthropathy, Neurogenic
chronic progressive degeneration of the stress-bearing portion of a joint, with bizarre hypertrophic changes at the periphery. it is probably a complication of a variety of neurologic disorders, particularly tabes dorsalis, involving loss of sensation, which leads to relaxation of supporting structures and chronic instability of the joint. (dorland, 27th ed)
Patient EducationClinical
Hand Injuries and Disorders
No matter how old you are or what you do for a living, you are always using your hands. When there is something wrong with them, you may not be able to do your regular activities.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert M14.642 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About M14.642Overview
What is the ICD-10 code for Charcot's joint, left hand?
The ICD-10-CM code for Charcot's joint, left hand is M14.642 (sometimes written as M14642). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is M14.642 (Charcot's joint, hand) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report Charcot's joint, left hand on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does M14.642 group to?
When Charcot's joint, left hand is the principal diagnosis on an inpatient stay, it groups to MS-DRG 554, 553, with relative weights from 0.8328 to 1.2492 depending on complications. Higher weights mean higher Medicare reimbursement.
Can M14.642 be reported with A52.16?
Not as a rule. The Excludes1 note at M14.6, which applies to M14.642, lists "Charcôt's joint in tabes dorsalis (A52.16)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).
What is the ICD-9 equivalent of M14.642?
Under the General Equivalence Mappings, Charcot's joint, left hand converts to ICD-9-CM 713.5 (arthropathy w nerve dis). The mapping is approximate, so confirm the match fits the documentation.
