ICD-10 block
R90–R94 Abnormal findings on diagnostic imaging and in function studies, without diagnosis
The block R90–R94 of ICD-10 is titled “Abnormal findings on diagnostic imaging and in function studies, without diagnosis”. It is part of Chapter XVIII, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified, and holds 5 groups.
What R90–R94 includes
Conditions and terms that are coded here.
- nonspecific abnormal findings on diagnostic imaging by:
- computerized axial tomography [CAT scan]
- magnetic resonance imaging [MRI][NMR]
- positron emission tomography [PET scan]
- thermography
- ultrasound [echogram]
- X-ray examination
What R90–R94 excludes
Conditions that look similar but belong under another code.
- abnormal findings on antenatal screening of mother O28.-
- diagnostic abnormal findings classified elsewhere - see Alphabetical Index
Codes in R90–R94
- R93.0Abnormal findings on diagnostic imaging of skull and head, not elsewhere classified
- R93.1Abnormal findings on diagnostic imaging of heart and coronary circulation
- R93.2Abnormal findings on diagnostic imaging of liver and biliary tract
- R93.3Abnormal findings on diagnostic imaging of other parts of digestive tract
- R93.4Abnormal findings on diagnostic imaging of urinary organs
- R93.5Abnormal findings on diagnostic imaging of other abdominal regions, including retroperitoneum
- R93.6Abnormal findings on diagnostic imaging of limbs
- R93.7Abnormal findings on diagnostic imaging of other parts of musculoskeletal system
- R93.8Abnormal findings on diagnostic imaging of other specified body structures
- 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
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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