Abnormal findings on diagnostic imaging and in function studies, without diagnosis (R90-R94)

R90Abnormal findings on diagnostic imaging of central nervous system

R90.0Intracranial space-occupying lesion found on diagnostic imaging of central nervous system

R90.8Other abnormal findings on diagnostic imaging of central nervous system

R90.81Abnormal echoencephalogram

R90.82White matter disease, unspecified

R90.89Other abnormal findings on diagnostic imaging of central nervous system
› Other cerebrovascular abnormality found on diagnostic imaging of central nervous system

R91Abnormal findings on diagnostic imaging of lung

R91.1Solitary pulmonary nodule
› Coin lesion lung
› Solitary pulmonary nodule, subsegmental branch of the bronchial tree

R91.8Other nonspecific abnormal finding of lung field
› Lung mass NOS found on diagnostic imaging of lung
› Pulmonary infiltrate NOS
› Shadow, lung

R92Abnormal and inconclusive findings on diagnostic imaging of breast

R92.0Mammographic microcalcification found on diagnostic imaging of breast
Excludes 2: mammographic calcification (calculus) found on diagnostic imaging of breast (R92.1)

R92.1Mammographic calcification found on diagnostic imaging of breast
› Mammographic calculus found on diagnostic imaging of breast

R92.2Inconclusive mammogram
› Inconclusive mammogram NEC
› Inconclusive mammography NEC

R92.3Mammographic density found on imaging of breast
Code Also: , if applicable, inconclusive mammogram (R92.2)

R92.30Dense breasts, unspecified
› Dense breasts NOS
› Low density

R92.31Mammographic fatty tissue density of breast
› Breast Imaging Reporting and Data System (BI-RADS): A
› Breast Imaging Reporting and Data System (BI-RADS): 1

R92.311Mammographic fatty tissue density, right breast

R92.312Mammographic fatty tissue density, left breast

R92.313Mammographic fatty tissue density, bilateral breasts

R92.32Mammographic fibroglandular density of breast
› Breast Imaging Reporting and Data System (BI-RADS): B
› Breast Imaging Reporting and Data System (BI-RADS): 2

R92.321Mammographic fibroglandular density, right breast

R92.322Mammographic fibroglandular density, left breast

R92.323Mammographic fibroglandular density, bilateral breasts

R92.33Mammographic heterogeneous density of breast
› Breast Imaging Reporting and Data System (BI-RADS): C
› Breast Imaging Reporting and Data System (BI-RADS): 3

R92.331Mammographic heterogeneous density, right breast

R92.332Mammographic heterogeneous density, left breast

R92.333Mammographic heterogeneous density, bilateral breasts

R92.34Mammographic extreme density of breast
› Breast Imaging Reporting and Data System (BI-RADS): D
› Breast Imaging Reporting and Data System (BI-RADS): 4

R92.341Mammographic extreme density, right breast

R92.342Mammographic extreme density, left breast

R92.343Mammographic extreme density, bilateral breasts

R92.8Other abnormal and inconclusive findings on diagnostic imaging of breast

R93Abnormal findings on diagnostic imaging of other body structures

R93.0Abnormal findings on diagnostic imaging of skull and head, not elsewhere classified
Excludes 1: intracranial space-occupying lesion found on diagnostic imaging (R90.0)

R93.1Abnormal findings on diagnostic imaging of heart and coronary circulation
› Abnormal echocardiogram NOS
› Abnormal heart shadow

R93.2Abnormal findings on diagnostic imaging of liver and biliary tract
› Nonvisualization of gallbladder

R93.3Abnormal findings on diagnostic imaging of other parts of digestive tract

R93.4Abnormal findings on diagnostic imaging of urinary organs
Excludes 2: hypertrophy of kidney (N28.81)

R93.41Abnormal radiologic findings on diagnostic imaging of renal pelvis, ureter, or bladder
› Filling defect of bladder found on diagnostic imaging
› Filling defect of renal pelvis found on diagnostic imaging
› Filling defect of ureter found on diagnostic imaging

R93.42Abnormal radiologic findings on diagnostic imaging of kidney

R93.421Abnormal radiologic findings on diagnostic imaging of right kidney

R93.422Abnormal radiologic findings on diagnostic imaging of left kidney

R93.429Abnormal radiologic findings on diagnostic imaging of unspecified kidney

R93.49Abnormal radiologic findings on diagnostic imaging of other urinary organs

R93.5Abnormal findings on diagnostic imaging of other abdominal regions, including retroperitoneum

R93.6Abnormal findings on diagnostic imaging of limbs
Excludes 2: abnormal finding in skin and subcutaneous tissue (R93.8-)

R93.7Abnormal findings on diagnostic imaging of other parts of musculoskeletal system
Excludes 2: abnormal findings on diagnostic imaging of skull (R93.0)

R93.8Abnormal findings on diagnostic imaging of other specified body structures

R93.81Abnormal radiologic findings on diagnostic imaging of testis

R93.811Abnormal radiologic findings on diagnostic imaging of right testicle

R93.812Abnormal radiologic findings on diagnostic imaging of left testicle

R93.813Abnormal radiologic findings on diagnostic imaging of testicles, bilateral

R93.819Abnormal radiologic findings on diagnostic imaging of unspecified testicle

R93.89Abnormal findings on diagnostic imaging of other specified body structures
› Abnormal finding by radioisotope localization of placenta
› Abnormal radiological finding in skin and subcutaneous tissue
› Mediastinal shift

R93.9Diagnostic imaging inconclusive due to excess body fat of patient

R94Abnormal results of function studies
Includes: abnormal results of radionuclide [radioisotope] uptake studies
› abnormal results of scintigraphy

R94.0Abnormal results of function studies of central nervous system

R94.01Abnormal electroencephalogram [EEG]

R94.02Abnormal brain scan

R94.09Abnormal results of other function studies of central nervous system

R94.1Abnormal results of function studies of peripheral nervous system and special senses

R94.11Abnormal results of function studies of eye

R94.110Abnormal electro-oculogram [EOG]

R94.111Abnormal electroretinogram [ERG]
› Abnormal retinal function study

R94.112Abnormal visually evoked potential [VEP]

R94.113Abnormal oculomotor study

R94.118Abnormal results of other function studies of eye

R94.12Abnormal results of function studies of ear and other special senses

R94.120Abnormal auditory function study

R94.121Abnormal vestibular function study

R94.128Abnormal results of other function studies of ear and other special senses

R94.13Abnormal results of function studies of peripheral nervous system

R94.130Abnormal response to nerve stimulation, unspecified

R94.131Abnormal electromyogram [EMG]
Excludes 1: electromyogram of eye (R94.113)

R94.138Abnormal results of other function studies of peripheral nervous system

R94.2Abnormal results of pulmonary function studies
› Reduced ventilatory capacity
› Reduced vital capacity

R94.3Abnormal results of cardiovascular function studies

R94.30Abnormal result of cardiovascular function study, unspecified

R94.31Abnormal electrocardiogram [ECG] [EKG]
Excludes 1: long QT syndrome (I45.81)

R94.39Abnormal result of other cardiovascular function study
› Abnormal electrophysiological intracardiac studies
› Abnormal phonocardiogram
› Abnormal vectorcardiogram

R94.4Abnormal results of kidney function studies
› Abnormal renal function test

R94.5Abnormal results of liver function studies

R94.6Abnormal results of thyroid function studies

R94.7Abnormal results of other endocrine function studies
Excludes 2: abnormal glucose (R73.0-)

R94.8Abnormal results of function studies of other organs and systems
› Abnormal basal metabolic rate [BMR]
› Abnormal bladder function test
› Abnormal splenic function test