FY2027 ICD-10-CM reference
D65: Disseminated intravascular coagulation [defibrination syndrome]
By the HCC Buddy Coding Team
The official ICD-10-CM descriptor is Disseminated intravascular coagulation [defibrination syndrome]. 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.
Excludes2
autoimmune disease (systemic) NOS (M35.9)
Source: D50-D89 (chapter, inherited).
Excludes2
certain conditions originating in the perinatal period (P00-P96)
Source: D50-D89 (chapter, inherited).
Excludes2
complications of pregnancy, childbirth and the puerperium (O00-O9A)
Source: D50-D89 (chapter, inherited).
Excludes2
congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Source: D50-D89 (chapter, inherited).
Excludes2
endocrine, nutritional and metabolic diseases (E00-E88)
Source: D50-D89 (chapter, inherited).
Excludes2
human immunodeficiency virus [HIV] disease (B20)
Source: D50-D89 (chapter, inherited).
Excludes2
injury, poisoning and certain other consequences of external causes (S00-T88)
Source: D50-D89 (chapter, inherited).
Excludes2
neoplasms (C00-D49)
Source: D50-D89 (chapter, inherited).
Excludes2
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Source: D50-D89 (chapter, inherited).
Instructional note
Afibrinogenemia, acquired
Source: D65 (category, direct).
Instructional note
Consumption coagulopathy
Source: D65 (category, direct).
Instructional note
COVID-19 associated diffuse or disseminated intravascular coagulopathy
Source: D65 (category, direct).
Instructional note
Diffuse or disseminated intravascular coagulation [DIC]
Source: D65 (category, direct).
Instructional note
Fibrinolytic hemorrhage, acquired
Source: D65 (category, direct).
Instructional note
Fibrinolytic purpura
Source: D65 (category, direct).
Instructional note
Purpura fulminans
Source: D65 (category, direct).
Code also
, if applicable, associated condition
Source: D65 (category, direct).
Excludes1
disseminated intravascular coagulation (complicating):
Source: D65 (category, direct).
Excludes1
in newborn (P60)
Source: D65 (category, direct).
Excludes1
pregnancy, childbirth and the puerperium (O45.0, O46.0, O67.0, O72.3)
Source: D65 (category, direct).
Excludes2
disseminated intravascular coagulation (complicating):
Source: D65 (category, direct).
Excludes2
abortion or ectopic or molar pregnancy (O00-O07, O08.1)
Source: D65 (category, direct).
Compare the FY2027 additions, removals and billable-status changes
What does D65 mean in FY2027?
The official ICD-10-CM descriptor is Disseminated intravascular coagulation [defibrination syndrome]. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Is D65 billable in FY2027?
The FY2027 order file marks D65 as billable. Check the complete Tabular instructions and documentation before assigning it.
Does D65 map to an HCC?
D65 has no CMS-HCC V28 category in the CMS 2027 Initial ICD-10-CM Mappings (payment year 2027, 2026 dates of service). Under the PY2026 CMS mapping; CMS 2027 initial file unchanged: ESRD HCC 48; no RxHCC category. Coefficients for these models are pending verification for payment year 2027. HHS-HCC: HCC 75 under the HHS-HCC 2026 benefit year mapping (no RAF; HHS-HCC weights vary by metal level). CMS-HCC V24: not used for payment year 2027 Medicare Advantage payment (CMS CY 2027 Rate Announcement). The PACE mapping is still pending verification for FY2027.
Source: CMS FY2027 ICD-10-CM order file. Payment model: CMS CY 2027 Rate Announcement. Read the FY2027 Official Guidelines.
Review the FY2026 April edition