Dermatopolymyositis, unspecified without myopathy

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2018 onwards.

What has happened to this code

Every change the publisher made, from 2018 to now.

FY2018 Added to the code set Dermatopolymyositis, unspecified without myopathy

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 M30-M36 section Systemic connective tissue disorders (M30-M36)

Excludes1 - never coded here

autoimmune disease, single organ or single cell-type -code to relevant condition category

Includes

autoimmune disease NOS
collagen (vascular) disease NOS
systemic autoimmune disease
systemic collagen (vascular) disease

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.

Hemorrhage, hemorrhagic > polymyositis
Dermatopolymyositis > amyopathic
Dermatopolymyositis > without myopathy

Codes in the same group

Code	Description	Status
M33.90	Dermatopolymyositis, unspecified, organ involvement unspecified	Valid
M33.91	Dermatopolymyositis, unspecified with respiratory involvement	Valid
M33.92	Dermatopolymyositis, unspecified with myopathy	Valid
M33.99	Dermatopolymyositis, unspecified with other organ involvement	Valid