Coxa magna
Coxa magna
M91.4 is a header (parent) code in the ICD-10-CM hierarchy. It is not billable for claim submission. Use one of the billable child codes listed below.
Billable codes in this category
Each of the codes below is billable. Choose the one that most accurately describes the patient's diagnosis.
M91.40 identifies coxa magna of an unspecified hip — pathological enlargement of the femoral head and neck occurring as a sequela of juvenile osteochondrosis of the hip and pelvis, where laterality has not been documented.
M91.41 identifies coxa magna of the right hip — an abnormal enlargement of the femoral head and neck occurring as a sequela of juvenile osteochondrosis (typically Legg-Calvé-Perthes disease) of the right side.
Enlargement of the left femoral head and neck as a sequela of juvenile osteochondrosis of the hip, classified under the chondropathies block of ICD-10-CM Chapter 13.