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Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
R90-R94

Abnormal findings on diagnostic imaging and in function studies, without diagnosis

Explore the clinical significance of ICD-10 codes R90-R94, focusing on abnormal findings in diagnostic imaging and function studies without a definitive diagnosis. Enhance documentation accuracy and streamline coding processes with insights into these specific codes, crucial for healthcare professionals managing patient care and optimizing billing practices.

About This Range
85+
Total codes
64+
Billable codes
21+
Non-billable codes
18
Chapters
Codes in this Range (85+)
Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified Range: R00-R99
R90
Abnormal findings on diagnostic imaging of central nervous system
R90.0
Intracranial space-occupying lesion found on diagnostic imaging of central nervous system
Billable
R90.8
Other abnormal findings on diagnostic imaging of central nervous system
R90.81
Abnormal echoencephalogram
Billable
R90.82
White matter disease, unspecified
Billable
R90.89
Other abnormal findings on diagnostic imaging of central nervous system
Billable
R91
Abnormal findings on diagnostic imaging of lung
R91.1
Solitary pulmonary nodule
Billable
R91.8
Other nonspecific abnormal finding of lung field
Billable
R92
Abnormal and inconclusive findings on diagnostic imaging of breast
R92.0
Mammographic microcalcification found on diagnostic imaging of breast
Billable
R92.1
Mammographic calcification found on diagnostic imaging of breast
Billable
R92.2
Inconclusive mammogram
Billable
R92.3
Mammographic density found on imaging of breast
R92.30
Dense breasts, unspecified
Billable
R92.31
Mammographic fatty tissue density of breast
R92.311
Mammographic fatty tissue density, right breast
Billable
R92.312
Mammographic fatty tissue density, left breast
Billable
R92.313
Mammographic fatty tissue density, bilateral breasts
Billable
R92.32
Mammographic fibroglandular density of breast
R92.321
Mammographic fibroglandular density, right breast
Billable
R92.322
Mammographic fibroglandular density, left breast
Billable
R92.323
Mammographic fibroglandular density, bilateral breasts
Billable
R92.33
Mammographic heterogeneous density of breast
R92.331
Mammographic heterogeneous density, right breast
Billable
R92.332
Mammographic heterogeneous density, left breast
Billable
R92.333
Mammographic heterogeneous density, bilateral breasts
Billable
R92.34
Mammographic extreme density of breast
R92.341
Mammographic extreme density, right breast
Billable
R92.342
Mammographic extreme density, left breast
Billable
R92.343
Mammographic extreme density, bilateral breasts
Billable
R92.8
Other abnormal and inconclusive findings on diagnostic imaging of breast
Billable
R93
Abnormal findings on diagnostic imaging of other body structures
R93.0
Abnormal findings on diagnostic imaging of skull and head, not elsewhere classified
Billable
R93.1
Abnormal findings on diagnostic imaging of heart and coronary circulation
Billable
R93.2
Abnormal findings on diagnostic imaging of liver and biliary tract
Billable
R93.3
Abnormal findings on diagnostic imaging of other parts of digestive tract
Billable
R93.4
Abnormal findings on diagnostic imaging of urinary organs
R93.41
Abnormal radiologic findings on diagnostic imaging of renal pelvis, ureter, or bladder
Billable
R93.42
Abnormal radiologic findings on diagnostic imaging of kidney
R93.421
Abnormal radiologic findings on diagnostic imaging of right kidney
Billable
R93.422
Abnormal radiologic findings on diagnostic imaging of left kidney
Billable
R93.429
Abnormal radiologic findings on diagnostic imaging of unspecified kidney
Billable
R93.49
Abnormal radiologic findings on diagnostic imaging of other urinary organs
Billable
R93.5
Abnormal findings on diagnostic imaging of other abdominal regions, including retroperitoneum
Billable
R93.6
Abnormal findings on diagnostic imaging of limbs
Billable
R93.7
Abnormal findings on diagnostic imaging of other parts of musculoskeletal system
Billable
R93.8
Abnormal findings on diagnostic imaging of other specified body structures
R93.81
Abnormal radiologic findings on diagnostic imaging of testis
R93.811
Abnormal radiologic findings on diagnostic imaging of right testicle
Billable
R93.812
Abnormal radiologic findings on diagnostic imaging of left testicle
Billable
R93.813
Abnormal radiologic findings on diagnostic imaging of testicles, bilateral
Billable
R93.819
Abnormal radiologic findings on diagnostic imaging of unspecified testicle
Billable
R93.89
Abnormal findings on diagnostic imaging of other specified body structures
Billable
R93.9
Diagnostic imaging inconclusive due to excess body fat of patient
Billable
R94
Abnormal results of function studies
R94.0
Abnormal results of function studies of central nervous system
R94.01
Abnormal electroencephalogram [EEG]
Billable
R94.02
Abnormal brain scan
Billable
R94.09
Abnormal results of other function studies of central nervous system
Billable
R94.1
Abnormal results of function studies of peripheral nervous system and special senses
R94.11
Abnormal results of function studies of eye
R94.110
Abnormal electro-oculogram [EOG]
Billable
R94.111
Abnormal electroretinogram [ERG]
Billable
R94.112
Abnormal visually evoked potential [VEP]
Billable
R94.113
Abnormal oculomotor study
Billable
R94.118
Abnormal results of other function studies of eye
Billable
R94.12
Abnormal results of function studies of ear and other special senses
R94.120
Abnormal auditory function study
Billable
R94.121
Abnormal vestibular function study
Billable
R94.128
Abnormal results of other function studies of ear and other special senses
Billable
R94.13
Abnormal results of function studies of peripheral nervous system
R94.130
Abnormal response to nerve stimulation, unspecified
Billable
R94.131
Abnormal electromyogram [EMG]
Billable
R94.138
Abnormal results of other function studies of peripheral nervous system
Billable
R94.2
Abnormal results of pulmonary function studies
Billable
R94.3
Abnormal results of cardiovascular function studies
R94.30
Abnormal result of cardiovascular function study, unspecified
Billable
R94.31
Abnormal electrocardiogram [ECG] [EKG]
Billable
R94.39
Abnormal result of other cardiovascular function study
Billable
R94.4
Abnormal results of kidney function studies
Billable
R94.5
Abnormal results of liver function studies
Billable
R94.6
Abnormal results of thyroid function studies
Billable
R94.7
Abnormal results of other endocrine function studies
Billable
R94.8
Abnormal results of function studies of other organs and systems
Billable

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Frequently Asked Questions
What does an abnormal finding on a diagnostic imaging test mean?

An abnormal finding on a diagnostic imaging test, coded under ICD-10 R90-R94, indicates that the results deviate from normal but do not provide a definitive diagnosis. Further evaluation by a healthcare provider is necessary to determine the underlying cause.

How are abnormal findings on function studies addressed in medical practice?

Abnormal findings on function studies, classified within ICD-10 codes R90-R94, require additional clinical assessment to identify potential health issues. Physicians may recommend further testing or monitoring to establish a diagnosis and appropriate treatment plan.

Why might a doctor order additional tests after an abnormal imaging result?

A doctor may order additional tests following an abnormal imaging result, as indicated by ICD-10 codes R90-R94, to gather more information and pinpoint the cause of the abnormality. This helps in forming an accurate diagnosis and tailoring a suitable treatment strategy.

Abnormal findings on diagnostic imaging and in function studies, without diagnosis