D76Not billable, use a more specific code below

Other specified diseases with participation of lymphoreticular and reticulohistiocytic tissue

In Other disorders of blood and blood-forming organs (D70-D77), chapter 3: Diseases of the Blood and Blood-Forming Organs

3 billable codes under D76: all are a CC; 2 map to HCC 115 (Specified Immunodeficiencies and White Blood Cell Disorders).A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment. An HCC counts toward a Medicare Advantage patient's risk score.

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Instructional notes

Excludes1: not coded here, use a different code

  • (Abt-) Letterer-Siwe disease (C96.0)
  • eosinophilic granuloma (C96.6)
  • Hand-Schüller-Christian disease (C96.5)
  • histiocytic medullary reticulosis (C96.9)
  • histiocytic sarcoma (C96.A)
  • histiocytosis X, multifocal (C96.5)
  • histiocytosis X, unifocal (C96.6)
  • Langerhans-cell histiocytosis, multifocal (C96.5)
  • Langerhans-cell histiocytosis NOS (C96.6)
  • Langerhans-cell histiocytosis, unifocal (C96.6)
  • leukemic reticuloendotheliosis (C91.4-)
  • lipomelanotic reticulosis (I89.8)
  • malignant histiocytosis (C96.A)
  • malignant reticulosis (C86.0)
  • nonlipid reticuloendotheliosis (C96.0)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

There are no chapter-specific rules for Chapter 3 yet, so the general rules in Section I.B apply.

Read Section I.C.3 (page 39)

All codes under D76

D76 can't be used on a claim. Pick a billable code below; grey headings group them.

D76 MS-DRGs

As the principal diagnosis, all 3 billable codes under D76 group to MS-DRG 814, 815, or 816 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

Other codes that refer to D76

Notes on these codes point to D76.

  • T36-T50 Code First: blood disorders (D56-D76)

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Blood Disorders

Your blood is living tissue made up of liquid and solids. The liquid part, called plasma, is made of water, salts and protein. Over half of your blood is plasma. The solid part of your blood contains red blood cells, white blood cells and platelets.

Read more about blood disorders on MedlinePlus

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.