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ICD-10 diagnosis code

C83.9 Non-follicular (diffuse) lymphoma, unspecified

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C83.9 is the ICD-10 code for Non-follicular (diffuse) lymphoma, unspecified. It is a four-character subcategory of C83 (Non-follicular lymphoma), the most specific level in the WHO edition. It belongs to the block C81–C96 (Malignant neoplasms, stated or presumed to be primary, of lymphoid, haematopoietic and related tissue) in Chapter II, Neoplasms.

Code type
Subcategory (4 characters)
Chapter
II · C00–D48
Classification
WHO ICD-10, 2019 version

C83.9 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

C83.9Icke-follikulärt (diffust) lymfom, ospecificerat

NorwayICD-10-NO

C83.9Uspesifisert ikke-follikulært (diffust) lymfom

DenmarkICD-10-DK

DC839Ikke-follikulært (diffust) lymfom UNS

FinlandICD-10-FI

C83.9Määrittämätön diffuusi non-Hodgkin lymfooma

GermanyICD-10-GM

C83.9Nicht follikuläres Lymphom, nicht näher bezeichnet

FranceICD-10-FR

C83.9Lymphome (diffus) non folliculaire, sans précision

NetherlandsICD-10-NL

C83.9non-folliculair (diffuus) lymfoom, niet-gespecificeerd

United StatesICD-10-CM

Listed through more specific codes:

  • C83.90Non-follicular (diffuse) lymphoma, unspecified, unspecified site
  • C83.91Non-follicular (diffuse) lymphoma, unspecified, lymph nodes of head, face, and neck
  • C83.92Non-follicular (diffuse) lymphoma, unspecified, intrathoracic lymph nodes
  • C83.93Non-follicular (diffuse) lymphoma, unspecified, intra-abdominal lymph nodes
  • C83.94Non-follicular (diffuse) lymphoma, unspecified, lymph nodes of axilla and upper limb
  • C83.95Non-follicular (diffuse) lymphoma, unspecified, lymph nodes of inguinal region and lower limb
  • C83.96Non-follicular (diffuse) lymphoma, unspecified, intrapelvic lymph nodes
  • C83.97Non-follicular (diffuse) lymphoma, unspecified, spleen
  • and 3 more national subcodes

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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