M25.34 – Other instability, hand

ICD-10-CM 2027 diagnosis code · Other joint disorders

Non-billable header

ICD-10-CM code M25.34

Code: M25.34 (claims format: M2534)
Description: Other instability, hand
Billable: No – use a more specific code below
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: M20-M25 Other joint disorders
Parent codes: M25 › M25.3

Billable codes under M25.34

M25.34 is a header code and cannot be used on claims. Choose the most specific code:

M25.341 – Other instability, right handBillable
M25.342 – Other instability, left handBillable
M25.349 – Other instability, unspecified handBillable

Notes inherited from parent codes

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

M25 – Other joint disorder, not elsewhere classified

Excludes2 (not included here):

abnormality of gait and mobility (R26.-)
acquired deformities of limb (M20-M21)
calcification of bursa (M71.4-)
calcification of shoulder (joint) (M75.3)
calcification of tendon (M65.2-)
difficulty in walking (R26.2)
temporomandibular joint disorder (M26.6-)

M25.3 – Other instability of joint

Excludes1 (not coded here):

instability of joint secondary to old ligament injury (M24.2-)
instability of joint secondary to removal of joint prosthesis (M96.8-)

Excludes2 (not included here):

spinal instabilities (M53.2-)

Block M20-M25

Excludes2 (not included here):

joints of the spine (M40-M54)

Index terms for M25.34

Entries in the ICD-10-CM alphabetic index that lead to this code:

Instability, joint, hand

Related codes in M25.3

M25.30 – Other instability, unspecified jointBillable
M25.31 – Other instability, shoulderHeader
M25.32 – Other instability, elbowHeader
M25.33 – Other instability, wristHeader
M25.35 – Other instability, hipHeader
M25.36 – Other instability, kneeHeader
M25.37 – Other instability, ankle and footHeader
M25.39 – Other instability, other specified jointBillable

Frequently asked questions

What is ICD-10 code M25.34?

M25.34 is the ICD-10-CM code for other instability, hand, in the block M20-M25 (Other joint disorders).

Is M25.34 a billable code?

No. M25.34 is a header code with more specific child codes; report one of the billable codes listed above.

What category does M25.34 belong to?

It belongs to category M25 – Other joint disorder, not elsewhere classified.

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.