M77.21

Billable

Periarthritis, right wrist

M77.21 is the ICD-10-CM code for Periarthritis, right wrist. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
M00-M99
Parent
M77.2
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

What this means — in plain language

MedlinePlus · NIH

Your wrist connects your hand to your forearm. It is not one big joint; it has several small joints. This makes it flexible and allows you to move your hand in different ways. The wrist has two big forearm bones and eight small bones known as carpals. It also has tendons and ligaments, which are connective tissues. Tendons connect muscles to bones. Ligaments connect bones to each other. What are the types of wrist…

Read more about Wrist Injuries and Disorders at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Frequently asked questions

What is ICD-10 code M77.21?
M77.21 is the ICD-10-CM code for "Periarthritis, right wrist". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M77.21 a billable code?
Yes — M77.21 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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