Basics of Bunions ICD-10 CM coding
A bunion is a bony bump that forms on the joint at the base of your big toe. It occurs when some of the bones in the front part of your foot move out of place. This causes the tip of your big toe to get pulled toward the smaller toes and forces the joint at the base of your big toe to stick out.
M21.611 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
ICD-10 code M21. 61 for Bunion is a medical classification as listed by WHO under the range – Arthropathies .
Signs and symptoms of Bunions ICD-10 CM coding
Bunions and their associated symptoms occur gradually. They are sometimes confused with symptoms of gout, but gout pain comes on suddenly and can be more severe.
Signs of bunions include the following:
- Red, calloused skin or bony bump along the big toe inside edge
- Pain over the joint, aggravated by pressure from shoes
- Big toe turned in toward the other toes
ICD-10 coding
- Hallux valgus (acquired), unspecified foot: Report code M20.10
- Hallux valgus (acquired), right foot: Report code M20.11
- Hallux valgus (acquired), left foot: Report code M20.12
Related Synonyms
- Bilateral bunion
- Right bunion
- Swelling of first metatarsal joint of hallux of both feet
- Swelling of first metatarsal joint of hallux of right foot
Basic ICD-10 INFORMATION
World Health Organization (WHO) authorized the publication of the International Classification of Diseases External 10th Revision (ICD-10), which was implemented for mortality coding and classification from death certificates in the U.S. in 1999. The U.S. developed a Clinical Modification (ICD-10-CM) for medical diagnoses based on WHO’s ICD-10. This medical classification list is generated by the World Health Organization (WHO), and is used to help healthcare providers identify and code health conditions.
