R94 is the ICD-10 code for Abnormal results of function studies. It is a three-character category divided into 9 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block R90–R94 (Abnormal findings on diagnostic imaging and in function studies, without diagnosis) in Chapter XVIII, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
- Code type
- Category (3 characters)
- Chapter
- XVIII · R00–R99
- Classification
- WHO ICD-10, 2019 version
What R94 includes
Conditions and terms that are coded here.
- abnormal results of:
- radionuclide [radioisotope] uptake studies
- scintigraphy
Subcodes of R94
- R94.0Abnormal results of function studies of central nervous system
- R94.1Abnormal results of function studies of peripheral nervous system and special senses
- R94.2Abnormal results of pulmonary function studies
- R94.3Abnormal results of cardiovascular function studies
- R94.4Abnormal results of kidney function studies
- R94.5Abnormal results of liver function studies
- R94.6Abnormal results of thyroid function studies
- R94.7Abnormal results of other endocrine function studies
- R94.8Abnormal results of function studies of other organs and systems
R94 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DR94Abnorme fund ved funktionsundersøgelser
- DR949Abnorm funktionsundersøgelse UNS
R94Toimintatutkimusten poikkeavat tulokset
R94Abnorme Ergebnisse von Funktionsprüfungen
R94Résultats anormaux d'explorations fonctionnelles
R94afwijkende uitslagen van functieonderzoek
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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