M33.21
BillablePolymyositis with respiratory involvement
Polymyositis with respiratory involvement
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)
Also Known As / Clinical Terms
SNOMED CT
- Neuromyositis31384009
- PM - Polymyositis31384009
- Polymyositis31384009
- Lung disease co-occurrent with polymyositis196136009
- Lung disease with polymyositis196136009
- Polymyositis with pulmonary involvement196136009
- Interstitial lung disease due to juvenile polymyositis866103007
- Juvenile polymyositis with interstitial lung disease866103007
Frequently Asked Questions
What is ICD-10 code M33.21?
ICD-10-CM code M33.21 represents "Polymyositis with respiratory involvement". It is a billable/specific code that can be used on a claim.
Is M33.21 a billable code?
Yes, M33.21 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is M33.21 in?
M33.21 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M33.21?
M33.21 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 SNOMED CT codes does M33.21 map to?
M33.21 maps to 3 SNOMED CT concepts: 866103007, 196136009, 31384009. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for M33.21?
M33.21 is linked to 1 UMLS Concept Unique Identifier: C3509000. 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.