Other necrotizing vasculopathies
Non-billable header
M31 is a non-billable header code. Use one of the more specific codes below.
Inclusion terms
Includes
- autoimmune disease NOS
- collagen (vascular) disease NOS
- systemic autoimmune disease
- systemic collagen (vascular) disease
- Note: Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Excludes1
Not coded here — never report together with this code.
- autoimmune disease, single organ or single cell-type -code to relevant condition category
Excludes2
Not included here — may be reported together when both conditions exist.
- 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)
More specific codes M31
- M31.0Hypersensitivity angiitisBillable
- M31.1Thrombotic microangiopathyHeader
- M31.2Lethal midline granulomaBillable
- M31.3Wegener's granulomatosisHeader
- M31.4Aortic arch syndrome [Takayasu]Billable
- M31.5Giant cell arteritis with polymyalgia rheumaticaBillable
- M31.6Other giant cell arteritisBillable
- M31.7Microscopic polyangiitisBillable
- M31.8Other specified necrotizing vasculopathiesBillable
- M31.9Necrotizing vasculopathy, unspecifiedBillable
Related codes
- M30Polyarteritis nodosa and related conditionsHeader
- M32Systemic lupus erythematosus (SLE)Header
- M33DermatopolymyositisHeader
- M34Systemic sclerosis [scleroderma]Header
- M35Other systemic involvement of connective tissueHeader
- M36Systemic disorders of connective tissue in diseases classified elsewhereHeader