M61.569 Other ossification of muscle, unspecified lower legBillable ICD-10-CM code, FY2026.
Defines the logic of DRG(s) 557-558 in MDC 08.
728.19 Other muscular calcification and ossification (approximate)M61.552 Other ossification of muscle, left thighM61.559 Other ossification of muscle, unspecified thighM61.56 Other ossification of muscle, lower legM61.561 Other ossification of muscle, right lower legM61.562 Other ossification of muscle, left lower legM61.569 Other ossification of muscle, unspecified lower leg (this code)M61.57 Other ossification of muscle, ankle and footM61.571 Other ossification of muscle, right ankle and footM61.572 Other ossification of muscle, left ankle and footM61.579 Other ossification of muscle, unspecified ankle and footM61.58 Other ossification of muscle, other site