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ICD-10-CM E83.820: Generalized arterial calcification of infancy with unspecified genetic causality

E83.820 is the billable ICD-10-CM code for generalized arterial calcification of infancy with unspecified genetic causality, in category E83 (Disorders of mineral metabolism) of the Metabolic disorders section. As a principal diagnosis it groups to MS-DRG 299 Peripheral Vascular Disorders with MCC, MS-DRG 300 Peripheral Vascular Disorders with CC, MS-DRG 301 Peripheral Vascular Disorders without CC/MCC (MDC 05 MDC 05: Diseases and Disorders of the Circulatory System); or MS-DRG 791 Prematurity with Major Problems, MS-DRG 793 Full Term Neonate with Major Problems (MDC 15 MDC 15: Newborns and Other Neonates with Conditions Originating in Perinatal Period). As a secondary diagnosis it is a CC, excluded with 4 principal diagnoses.

Compiled from CMS files by the QuickIntell RCM Editorial Team · Data effective · Method: reference methodology · Report a data correction

Data currency: ICD-10-CM code descriptions: FY2027 (effective October 1, 2026); IPPS Table 5 (MS-DRG weights): v44 FY2027 (final rule + CN3) (effective October 1, 2026); ICD-10-CM to HCC mapping: PY2027 initial ICD-10-CM mappings (dates of service 2026) (payment year 2027); Medicare Coverage Database billing and coding articles: MCD release October 8, 2026 (effective October 4, 2026). Next CMS release: FY2028 code files, effective October 1, 2027 for the ICD-10-CM code descriptions; FY2028 final rule (August 2027), effective October 1, 2027; an April 1 interim grouper update when CMS issues one for the IPPS Table 5 (MS-DRG weights); PY2028 advance notice (February 2027) and the PY2027 midyear final mapping (spring 2027) for the ICD-10-CM to HCC mapping; weekly, every Thursday for the Medicare Coverage Database billing and coding articles.

Code
E83.820
billable FY2027 ICD-10-CM code
Category
E83 Disorders of mineral metabolism
Chapter
4: Endocrine, nutritional and metabolic diseases (E00-E89)
CC/MCC (MS-DRG v44)
CC
CMS-HCC V28
Not mapped
POA reporting
Required

Tabular list notes for E83.820

The tabular list has no notes on E83.820 itself; the notes below apply from its parent headings.

Inherited from E83 (Disorders of mineral metabolism)

Excludes1 (never coded together)
  • dietary mineral deficiency (E58-E61)
  • parathyroid disorders (E20-E21)
  • vitamin D deficiency (E55.-)

MS-DRG grouping when E83.820 is the principal diagnosis

MS-DRG v44 groups for E83.820 as principal diagnosis
MDCMS-DRGs
05 MDC 05: Diseases and Disorders of the Circulatory System299300301
15 MDC 15: Newborns and Other Neonates with Conditions Originating in Perinatal Period791793

The final group also depends on procedures, secondary diagnoses and discharge status; the MS-DRG lookup for E83.820 shows the full grouping logic.

CC/MCC status and inpatient edits

As a secondary diagnosis, E83.820 is a CC under MS-DRG v44, unless the principal diagnosis is one of the 4 codes in its exclusion list. Check E83.820 against a principal diagnosis.

  • Present on admission: a POA indicator is required on inpatient claims.

CMS-HCC V28 risk adjustment

E83.820 does not map to a payment HCC in the PY2027 CMS-HCC V28 model, so on its own it does not change a Medicare Advantage risk score.

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Frequently asked questions

What does ICD-10-CM E83.820 mean?

E83.820 means generalized arterial calcification of infancy with unspecified genetic causality. It is one of 25 billable codes under E83, disorders of mineral metabolism.

Which MS-DRG does E83.820 group to?

As the principal diagnosis, E83.820 groups to MS-DRG 299 Peripheral Vascular Disorders with MCC, MS-DRG 300 Peripheral Vascular Disorders with CC, MS-DRG 301 Peripheral Vascular Disorders without CC/MCC (MDC 05 MDC 05: Diseases and Disorders of the Circulatory System); or MS-DRG 791 Prematurity with Major Problems, MS-DRG 793 Full Term Neonate with Major Problems (MDC 15 MDC 15: Newborns and Other Neonates with Conditions Originating in Perinatal Period) under MS-DRG v44, before procedures and secondary diagnoses are applied.

Is E83.820 a CC or MCC?

E83.820 is a CC under MS-DRG v44; 4 principal diagnoses exclude it.

Sources

Every figure on this page is taken from the CMS publications below, as released by the Centers for Medicare & Medicaid Services. Projection built 2026-10-10. Verify against the primary file before billing or contracting decisions. The reference methodology explains how each figure is computed from these files.

Disclaimer

The descriptor and notes are reproduced from the FY2027 ICD-10-CM files; MS-DRG, CC/MCC and HCC facts come from the CMS FY2027 and PY2027 tables. Code from the medical record and the ICD-10-CM Official Guidelines. Not legal, clinical or billing advice.

Found a figure that does not match the CMS file? Report a data correction with the CMS file and the value you expected; the request reaches the editorial team through the contact form.