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DC 7718: Essential Thrombocythemia And Primary Myelofibrosis

Read VA diagnostic code 7718 for Essential thrombocythemia and primary myelofibrosis: published criteria, regulatory notes, related codes and official sources checked October 25, 2026.

Independent Education · Official Sources · Last Verified October 25, 2026

Published criteria from 38 CFR 4.117, current through 2026-10-22. Historical decisions may require a different version. This reference does not diagnose a condition or determine an evaluation.

The Hematologic and Lymphatic Systems · All Diagnostic Codes

DC 7718: Essential Thrombocythemia And Primary Myelofibrosis

Diagnostic code 7718 addresses Essential thrombocythemia and primary myelofibrosis. Read its specific instructions together with any shared formula, notes and linked provisions. These criteria describe evaluation after the applicable entitlement requirements are met; this reference does not diagnose a condition or determine a claim.

Diagnostic Code 7718 - 38 CFR 4.117
Rating
7718 Essential thrombocythemia and primary myelofibrosis:
Requiring either continuous myelosuppressive therapy, or, for six months following hospital admission for any of the following treatments: peripheral blood or bone marrow stem cell transplant, or chemotherapy, or interferon treatment100
Requiring continuous or intermittent myelosuppressive therapy, or chemotherapy, or interferon treatment to maintain platelet count <500 × 109/L70
Requiring continuous or intermittent myelosuppressive therapy, or chemotherapy, or interferon treatment to maintain platelet count of 200,000-400,000, or white blood cell (WBC) count of 4,000-10,00030
Asymptomatic0
Note (1): If the condition undergoes leukemic transformation, evaluate as leukemia under diagnostic code 7703.
Note (2): A 100 percent evaluation shall be assigned as of the date of hospital admission for peripheral blood or bone marrow stem cell transplant; or during the period of treatment with chemotherapy (including myelosuppressants) or interferon treatment. Six months following hospital discharge or, in the case of chemotherapy treatment, six months after completion of treatment, the appropriate disability rating shall be determined by mandatory VA examination. Any reduction in evaluation based upon that or any subsequent examination shall be subject to the provisions of § 3.105(e) of this chapter.

What The Criteria Measure

  • Does the decision identify diagnostic code 7718, and does the medical record describe the condition named by this code?
  • Do records identify the treatment, procedure and relevant dates that the provision actually distinguishes?
  • Have the code-specific notes and cross-references been read before comparing any listed evaluation?

Related Public DBQs

Editorial subject matches, not official VA code-to-form assignments. Read the form scope and clinician instructions.

Regulatory Cross-References

Shared Rules And Regulatory Context

Context provisions do not create an additional evaluation automatically assigned to every condition.

Related Guides

Official Sources

Last verified 2026-10-25. Source publication or legal effective dates are shown separately where available.

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