Is M66.178 a billable code?
Yes. M66.178 is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.
ICD-10-CM FY2027 diagnosis code
M66.178: Rupture of synovium, left toe(s)
Billable codeValid for dates of service October 1, 2026 to September 30, 2027
M66.178 is a billable ICD-10-CM diagnosis code for rupture of synovium, left toe(s). It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.
Superbill GeneratorStart a superbill with M66.178 already added.Good Faith EstimateStart a cost estimate with M66.178 already added.CMS-1500 Claim FormFill a claim form with M66.178 in box 21.
Other codes in M66.17 Rupture of synovium, ankle, foot and toes
- M66.171Rupture of synovium, right ankle
- M66.172Rupture of synovium, left ankle
- M66.173Rupture of synovium, unspecified ankle
- M66.174Rupture of synovium, right foot
- M66.175Rupture of synovium, left foot
- M66.176Rupture of synovium, unspecified foot
- M66.177Rupture of synovium, right toe(s)
- M66.179Rupture of synovium, unspecified toe(s)
M66.178 questions
What does M66.178 mean?
M66.178 is the ICD-10-CM code for Rupture of synovium, left toe(s). It is in chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.