Myositis ossificans progressiva, lower leg

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 3 more specific codes instead:

M61.161 Myositis ossificans progressiva, right lower leg
M61.162 Myositis ossificans progressiva, left lower leg
M61.169 Myositis ossificans progressiva, unspecified lower leg

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

FY2012 Added to the draft code set draft Myositis ossificans progressiva, lower leg

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from the M60-M63 section Disorders of muscles (M60-M63)

Excludes1 - never coded here

dermatopolymyositis (M33.-)
myopathy in amyloidosis (E85.-)
myopathy in polyarteritis nodosa (M30.0)
myopathy in rheumatoid arthritis (M05.32)
myopathy in scleroderma (M34.-)
myopathy in Sjögren's syndrome (M35.03)
myopathy in systemic lupus erythematosus (M32.-)

Excludes2 - not included here

muscular dystrophies and myopathies (G71-G72)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Myofasciitis
Münchmeyer's syndrome
Ossification > muscle
Calcification > massive
Polymyositis > ossificans
Ossification > muscle > paralytic
Ossification > muscle > traumatic
Calcification > muscle > paralytic
Ossification > muscle > progressive
Insufficiency, insufficient > muscle
Ossification > muscle > due to burns
Calcification > muscle > due to burns
Fibrodysplasia ossificans progressiva
Hemorrhage, hemorrhagic > polymyositis
Disease, diseased > muscle > inflammatory
Disease, diseased > fascia NEC > inflammatory
Inflammation, inflamed, inflammatory > fascia
Inflammation, inflamed, inflammatory > muscle
Myositis > ossificans or ossifying > progressiva > lower leg

Codes in the same group

Code	Description	Status
M61.10	Myositis ossificans progressiva, unspecified site	Valid
M61.11	Myositis ossificans progressiva, shoulder	Not billable
M61.12	Myositis ossificans progressiva, upper arm	Not billable
M61.13	Myositis ossificans progressiva, forearm	Not billable
M61.14	Myositis ossificans progressiva, hand and finger(s)	Not billable
M61.15	Myositis ossificans progressiva, thigh	Not billable
M61.17	Myositis ossificans progressiva, ankle, foot and toe(s)	Not billable
M61.18	Myositis ossificans progressiva, other site	Valid
M61.19	Myositis ossificans progressiva, multiple sites	Valid