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Evidence checklist

Essential Thrombocythemia

DC 771838 CFR § 4.117Hematologic/Lymphatic

Evidence strength

Mark what you already have below and your evidence strength appears here.

Target
Saved locally
01

Specialist opinion

Highest value0 of 2 collected
JAK2, CALR, or MPL mutation testingCritical

Genetic testing that helps confirm the diagnosis and distinguish it from other causes of high platelets.

Private provider · independent opinion
Nexus opinion linking essential thrombocythemia to serviceCritical

A medical opinion connecting your blood condition to toxic exposures (benzene, radiation) or other events during military service.

Private provider · independent opinion
02

Treatment records

0 of 3 collected
CBC showing elevated platelet countCritical

Blood tests showing abnormally high platelet counts over time. Multiple tests are needed to confirm the elevation is persistent.

VA or private records · written request
Treatment records (hydroxyurea, anagrelide, aspirin)Critical

Records of medications used to control platelet counts and reduce blood clot risk.

VA or private records · written request
Documentation of bleeding or clotting complications

Records of any blood clots, bleeding episodes, or other complications. These may support a higher rating or separate claims.

VA or private records · written request
03

Lay statements

0 of 2 collected
Buddy statement from spouse, family, or fellow service member

A written statement from someone who can describe observable symptoms and how your condition affects daily life.

You or a witness · VA Form 21-4138 or 21-10210How to get this →
Personal statement describing symptoms and functional impact

Your own written account of how this condition affects your daily activities, work, and relationships. Describe your worst days.

You or a witness · VA Form 21-4138 or 21-10210How to get this →
04

Benefits questionnaire

0 of 1 collected
Completed DBQ Hematologic and Lymphatic ConditionsCritical

A standardized VA form capturing platelet counts, treatment, and complications from essential thrombocythemia.

Provider-completed · VA DBQ formHow to get this →
05

Service records

0 of 1 collected
Service treatment records (STRs)Critical

Military medical records showing in-service treatment, complaints, or injuries related to this condition.

NPRC / milConnect · SF-180
Condition guideRating criteria and what VA looks forC&P exam prepWhat the examiner will askBuddy statement builderGuided VA Form 21-10210

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