D65 — Disseminated intravascular coagulation [defibrination syndrome]
D65 is a billable, specific ICD-10-CM code for disseminated intravascular coagulation [defibrination syndrome]. It is valid for submission on a claim.
Excludes1 — never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
Excludes2 — not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
Code also
Both codes may be needed to describe the encounter fully. Sequencing depends on the reason for the visit.
- , if applicable, associated condition
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Afibrinogenemia, acquired
- Consumption coagulopathy
- COVID-19 associated diffuse or disseminated intravascular coagulopathy
- Diffuse or disseminated intravascular coagulation [DIC]
- Fibrinolytic hemorrhage, acquired
- Fibrinolytic purpura
- Purpura fulminans
Other codes that can never be billed with D65
These codes carry an Excludes1 note pointing at D65. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading D65 alone.
Risk adjustment
D65 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
D65 is named in 1 Medicare coverage policy — 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56416Billing and Coding: Assays for Vitamins and Metabolic Function
How D65 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to D65.
- Defibrination(syndrome)
- Fibrinolysis(hemorrhagic) (acquired)
- Proteolysis, pathologic
- Afibrinogenemia›acquired
- Coagulation, intravascular›COVID-19 associated
- Coagulopathy›consumption
- Coagulopathy›intravascular
- Fibrinogenopenia›acquired
- Hypofibrinogenemia›acquired
- Purpura›fulminans, fulminous
- Purpura›gangrenous
- Syndrome›DIC(diffuse or disseminated intravascular coagulopathy)
Questions about D65
- Is D65 a billable ICD-10-CM code?
- Yes. D65 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does D65 sit in the tabular list?
- Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89), in the block Coagulation defects, purpura and other hemorrhagic conditions (D65-D69).
- What cannot be coded together with D65?
- D65 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.