FY2027 ICD-10-CM reference
M30.0: Polyarteritis nodosa
By the HCC Buddy Coding Team
The official ICD-10-CM descriptor is Polyarteritis nodosa. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Billable code. Verified against the official FY2027 order file.
FY2027 Tabular instructions
Instructions below include applicable chapter, section and parent-code notes. Each note identifies where it appears in the official source.
Instructional note
Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Source: M00-M99 (chapter, inherited).
Excludes2
arthropathic psoriasis (L40.5-)
Source: M00-M99 (chapter, inherited).
Excludes2
certain conditions originating in the perinatal period (P04-P96)
Source: M00-M99 (chapter, inherited).
Excludes2
certain infectious and parasitic diseases (A00-B99)
Source: M00-M99 (chapter, inherited).
Excludes2
compartment syndrome (traumatic) (T79.A-)
Source: M00-M99 (chapter, inherited).
Excludes2
complications of pregnancy, childbirth and the puerperium (O00-O9A)
Source: M00-M99 (chapter, inherited).
Excludes2
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
Source: M00-M99 (chapter, inherited).
Excludes2
endocrine, nutritional and metabolic diseases (E00-E88)
Source: M00-M99 (chapter, inherited).
Excludes2
injury, poisoning and certain other consequences of external causes (S00-T88)
Source: M00-M99 (chapter, inherited).
Excludes2
neoplasms (C00-D49)
Source: M00-M99 (chapter, inherited).
Excludes2
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Source: M00-M99 (chapter, inherited).
Includes
autoimmune disease NOS
Source: M30-M36 (section, inherited).
Includes
collagen (vascular) disease NOS
Source: M30-M36 (section, inherited).
Includes
systemic autoimmune disease
Source: M30-M36 (section, inherited).
Includes
systemic collagen (vascular) disease
Source: M30-M36 (section, inherited).
Excludes1
autoimmune disease, single organ or single cell-type -code to relevant condition category
Source: M30-M36 (section, inherited).
Excludes1
microscopic polyarteritis (M31.7)
Source: M30 (category, inherited).
Compare the FY2027 additions, removals and billable-status changes
What does M30.0 mean in FY2027?
The official ICD-10-CM descriptor is Polyarteritis nodosa. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Is M30.0 billable in FY2027?
The FY2027 order file marks M30.0 as billable. Check the complete Tabular instructions and documentation before assigning it.
Does M30.0 map to an HCC?
In the CMS 2027 Initial ICD-10-CM Mappings (payment year 2027, 2026 dates of service), M30.0 maps to CMS-HCC V28 HCC 94 (Systemic Lupus Erythematosus and Other Specified Systemic Connective Tissue Disorders). For 2027 dates of service, CMS has not yet published the payment year 2028 mappings. ESRD, RxHCC, PACE and HHS-HCC mappings are still pending verification for FY2027.
Source: CMS FY2027 ICD-10-CM order file. Read the FY2027 Official Guidelines.
Review the FY2026 April edition
