M33.9
Non-billableDermatopolymyositis, unspecified
Dermatopolymyositis, unspecified
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- autoimmune disease NOS
- collagen (vascular) disease NOS
- systemic autoimmune disease
- systemic collagen (vascular) disease
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- autoimmune disease, single organ or single cell-type -code to relevant condition category
Excludes 2
Conditions not included here, but the patient may have both
- arthropathic psoriasis (L40.5-)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- compartment syndrome (traumatic) (T79.A-)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Child Codes (5)
M33.90Dermatopolymyositis, unsp, organ involvement unspecified
M33.91Dermatopolymyositis, unsp with respiratory involvement
M33.92Dermatopolymyositis, unspecified with myopathy
M33.93Dermatopolymyositis, unspecified without myopathy
M33.99Dermatopolymyositis, unsp with other organ involvement
Also Known As / Clinical Terms
UMLS
- DM - DermatomyositisC0011633
- DermatomyositisC0011633
- Dermatomyositis (disorder)C0011633
- DermatopolymyositisC0011633
- Dermatopolymyositis, Unspecified, Organ Involvement UnspecifiedC0011633
- Dermatopolymyositis, unsp, organ involvement unspecifiedC0011633
- Dermatopolymyositis, unspecifiedC0011633
- Dermatopolymyositis, unspecified, organ involvement unspecifiedC0011633
- Polymyositis DermatomyositisC0011633
- Polymyositis with skin involvementC0011633
- Polymyositis-DermatomyositisC0011633
- Wagner-Unverricht syndromeC0011633
- dermatomyositidesC0011633
- dermatomyositisC0011633
- dermatopolymyositisC0011633
Frequently Asked Questions
What is ICD-10 code M33.9?
ICD-10-CM code M33.9 represents "Dermatopolymyositis, unspecified". It is a non-billable header code — use a more specific child code for billing purposes.
Is M33.9 a billable code?
No, M33.9 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 5 child codes under M33.9.
What chapter is M33.9 in?
M33.9 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M33.9?
M33.9 has Excludes1 notes indicating codes that cannot be used together with it, including: autoimmune disease, single organ or single cell-type -code to relevant condition category.
What are the subcategories under M33.9?
M33.9 has 5 child codes, including: M33.90 (Dermatopolymyositis, unsp, organ involvement unspecified), M33.91 (Dermatopolymyositis, unsp with respiratory involvement), M33.92 (Dermatopolymyositis, unspecified with myopathy), M33.93 (Dermatopolymyositis, unspecified without myopathy), and 1 more.
What are the UMLS CUIs for M33.9?
M33.9 is linked to 1 UMLS Concept Unique Identifier: C0011633. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.