M89.00 – Algoneurodystrophy, unspecified site

ICD-10-CM 2027 diagnosis code · Other osteopathies

Billable code

ICD-10-CM code M89.00

Code: M89.00 (claims format: M8900)
Description: Algoneurodystrophy, unspecified site
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: M86-M90 Other osteopathies
Parent codes: M89 › M89.0

Notes inherited from parent codes

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

M89.0 – Algoneurodystrophy

Applicable to:

Shoulder-hand syndrome
Sudeck's atrophy

Excludes1 (not coded here):

causalgia, lower limb (G57.7-)
causalgia, upper limb (G56.4-)
complex regional pain syndrome II, lower limb (G57.7-)
complex regional pain syndrome II, upper limb (G56.4-)
reflex sympathetic dystrophy (G90.5-)

Block M86-M90

Excludes1 (not coded here):

postprocedural osteopathies (M96.-)

Index terms for M89.00

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

Algoneurodystrophy

Related codes in M89.0

M89.01 – Algoneurodystrophy, shoulderHeader
M89.02 – Algoneurodystrophy, upper armHeader
M89.03 – Algoneurodystrophy, forearmHeader
M89.04 – Algoneurodystrophy, handHeader
M89.05 – Algoneurodystrophy, thighHeader
M89.06 – Algoneurodystrophy, lower legHeader
M89.07 – Algoneurodystrophy, ankle and footHeader
M89.08 – Algoneurodystrophy, other siteBillable
M89.09 – Algoneurodystrophy, multiple sitesBillable

Frequently asked questions

What is ICD-10 code M89.00?

M89.00 is the ICD-10-CM code for algoneurodystrophy, unspecified site, in the block M86-M90 (Other osteopathies).

Is M89.00 a billable code?

Yes. M89.00 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does M89.00 belong to?

It belongs to category M89 – Other disorders of bone.

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.