Chapter 18: Symptoms, signs and abnormal findings (R00–R99)
245 diagnoses listed as covered by Medicare billing and coding articles for HCPCS Level II codes. All chapters.
R00: Abnormalities of heart beat
- R00.1 — Bradycardia, unspecified
- R00.2 — Palpitations
- R00.8 — Other abnormalities of heart beat
R01: Cardiac murmurs and other cardiac sounds
- R01.0 — Benign and innocent cardiac murmurs
- R01.1 — Cardiac murmur, unspecified
- R01.2 — Other cardiac sounds
R04: Hemorrhage from respiratory passages
- R04.0 — Epistaxis
- R04.2 — Hemoptysis
- R04.81 — Acute idiopathic pulmonary hemorrhage in infants
- R04.89 — Hemorrhage from other sites in respiratory passages
R05: Cough
R06: Abnormalities of breathing
R07: Pain in throat and chest
R09: Other symptoms and signs involving the circulatory and respiratory system
R10: Abdominal and pelvic pain
- R10.0 — Acute abdomen
- R10.11 — Right upper quadrant pain
- R10.12 — Left upper quadrant pain
- R10.13 — Epigastric pain
- R10.20 — Pelvic and perineal pain unspecified side
- R10.21 — Pelvic and perineal pain right side
- R10.22 — Pelvic and perineal pain left side
- R10.23 — Pelvic and perineal pain bilateral
- R10.24 — Suprapubic pain
- R10.31 — Right lower quadrant pain
- R10.32 — Left lower quadrant pain
- R10.33 — Periumbilical pain
- R10.811 — Right upper quadrant abdominal tenderness
- R10.812 — Left upper quadrant abdominal tenderness
- R10.813 — Right lower quadrant abdominal tenderness
- R10.814 — Left lower quadrant abdominal tenderness
- R10.815 — Periumbilic abdominal tenderness
- R10.817 — Generalized abdominal tenderness
- R10.821 — Right upper quadrant rebound abdominal tenderness
- R10.822 — Left upper quadrant rebound abdominal tenderness
- R10.823 — Right lower quadrant rebound abdominal tenderness
- R10.824 — Left lower quadrant rebound abdominal tenderness
- R10.825 — Periumbilic rebound abdominal tenderness
- R10.826 — Epigastric rebound abdominal tenderness
- R10.827 — Generalized rebound abdominal tenderness
- R10.829 — Rebound abdominal tenderness, unspecified site
- R10.84 — Generalized abdominal pain
- R10.85 — Abdominal pain of multiple sites
- R10.8A3 — Suprapubic tenderness
R13: Aphagia and dysphagia
- R13.0 — Aphagia
- R13.10 — Dysphagia, unspecified
- R13.11 — Dysphagia, oral phase
- R13.12 — Dysphagia, oropharyngeal phase
- R13.13 — Dysphagia, pharyngeal phase
- R13.14 — Dysphagia, pharyngoesophageal phase
- R13.19 — Other dysphagia
R15: Fecal incontinence
- R15.0 — Incomplete defecation
- R15.1 — Fecal smearing
- R15.2 — Fecal urgency
- R15.9 — Full incontinence of feces
R19: Other symptoms and signs involving the digestive system and abdomen
- R19.5 — Other fecal abnormalities
- R19.7 — Diarrhea, unspecified
R20: Disturbances of skin sensation
- R20.0 — Anesthesia of skin
- R20.1 — Hypoesthesia of skin
- R20.2 — Paresthesia of skin
- R20.3 — Hyperesthesia
- R20.8 — Other disturbances of skin sensation
- R20.9 — Unspecified disturbances of skin sensation
R22: Localized swelling, mass and lump of skin and subcutaneous tissue
- R22.0 — Localized swelling, mass and lump, head
- R22.1 — Localized swelling, mass and lump, neck
- R22.2 — Localized swelling, mass and lump, trunk
R23: Other skin changes
R25: Abnormal involuntary movements
- R25.0 — Abnormal head movements
- R25.1 — Tremor, unspecified
- R25.2 — Cramp and spasm
- R25.3 — Fasciculation
- R25.8 — Other abnormal involuntary movements
- R25.9 — Unspecified abnormal involuntary movements
R26: Abnormalities of gait and mobility
- R26.0 — Ataxic gait
- R26.1 — Paralytic gait
- R26.2 — Difficulty in walking, not elsewhere classified
- R26.81 — Unsteadiness on feet
- R26.89 — Other abnormalities of gait and mobility
- R26.9 — Unspecified abnormalities of gait and mobility
R27: Other lack of coordination
- R27.0 — Ataxia, unspecified
- R27.8 — Other lack of coordination
- R27.9 — Unspecified lack of coordination
R29: Other symptoms and signs involving the nervous and musculoskeletal systems
- R29.3 — Abnormal posture
- R29.4 — Clicking hip
- R29.5 — Transient paralysis
- R29.6 — Repeated falls
- R29.810 — Facial weakness
- R29.818 — Other symptoms and signs involving the nervous system
- R29.891 — Ocular torticollis
- R29.898 — Other symptoms and signs involving the musculoskeletal system
R30: Pain associated with micturition
R32: Unspecified urinary incontinence
- R32 — Unspecified urinary incontinence
R33: Retention of urine
- R33.0 — Drug induced retention of urine
- R33.8 — Other retention of urine
- R33.9 — Retention of urine, unspecified
R35: Polyuria
- R35.0 — Frequency of micturition
R37: Sexual dysfunction, unspecified
- R37 — Sexual dysfunction, unspecified
R39: Other and unspecified symptoms and signs involving the genitourinary system
- R39.11 — Hesitancy of micturition
- R39.14 — Feeling of incomplete bladder emptying
- R39.15 — Urgency of urination
- R39.191 — Need to immediately re-void
- R39.192 — Position dependent micturition
- R39.89 — Other symptoms and signs involving the genitourinary system
R40: Somnolence, stupor and coma
- R40.0 — Somnolence
- R40.1 — Stupor
- R40.20 — Unspecified coma
- R40.2110 — Coma scale, eyes open, never, unspecified time
- R40.2111 — Coma scale, eyes open, never, in the field [EMT or ambulance]
- R40.2112 — Coma scale, eyes open, never, at arrival to emergency department
- R40.2113 — Coma scale, eyes open, never, at hospital admission
- R40.2114 — Coma scale, eyes open, never, 24 hours or more after hospital…
- R40.2120 — Coma scale, eyes open, to pain, unspecified time
- R40.2121 — Coma scale, eyes open, to pain, in the field [EMT or ambulance]
- R40.2122 — Coma scale, eyes open, to pain, at arrival to emergency department
- R40.2123 — Coma scale, eyes open, to pain, at hospital admission
- R40.2124 — Coma scale, eyes open, to pain, 24 hours or more after hospital…
- R40.2210 — Coma scale, best verbal response, none, unspecified time
- R40.2211 — Coma scale, best verbal response, none, in the field [EMT or…
- R40.2212 — Coma scale, best verbal response, none, at arrival to emergency…
- R40.2213 — Coma scale, best verbal response, none, at hospital admission
- R40.2214 — Coma scale, best verbal response, none, 24 hours or more after…
- R40.2220 — Coma scale, best verbal response, incomprehensible words…
- R40.2221 — Coma scale, best verbal response, incomprehensible words, in the…
- R40.2222 — Coma scale, best verbal response, incomprehensible words, at arrival…
- R40.2223 — Coma scale, best verbal response, incomprehensible words, at…
- R40.2224 — Coma scale, best verbal response, incomprehensible words, 24 hours…
- R40.2310 — Coma scale, best motor response, none, unspecified time
- R40.2311 — Coma scale, best motor response, none, in the field [EMT or ambulance]
- R40.2312 — Coma scale, best motor response, none, at arrival to emergency…
- R40.2313 — Coma scale, best motor response, none, at hospital admission
- R40.2314 — Coma scale, best motor response, none, 24 hours or more after…
- R40.2320 — Coma scale, best motor response, extension, unspecified time
- R40.2321 — Coma scale, best motor response, extension, in the field [EMT or…
- R40.2322 — Coma scale, best motor response, extension, at arrival to emergency…
- R40.2323 — Coma scale, best motor response, extension, at hospital admission
- R40.2324 — Coma scale, best motor response, extension, 24 hours or more after…
- R40.2340 — Coma scale, best motor response, flexion withdrawal, unspecified time
- R40.2341 — Coma scale, best motor response, flexion withdrawal, in the field…
- R40.2342 — Coma scale, best motor response, flexion withdrawal, at arrival to…
- R40.2343 — Coma scale, best motor response, flexion withdrawal, at hospital…
- R40.2344 — Coma scale, best motor response, flexion withdrawal, 24 hours or…
- R40.2A — Nontraumatic coma due to underlying condition
- R40.4 — Transient alteration of awareness
R41: Other symptoms and signs involving cognitive functions and awareness
- R41.0 — Disorientation, unspecified
- R41.1 — Anterograde amnesia
- R41.2 — Retrograde amnesia
- R41.3 — Other amnesia
- R41.4 — Neurologic neglect syndrome
- R41.82 — Altered mental status, unspecified
- R41.840 — Attention and concentration deficit
- R41.841 — Cognitive communication deficit
- R41.842 — Visuospatial deficit
- R41.843 — Psychomotor deficit
- R41.844 — Frontal lobe and executive function deficit
- R41.85 — Anosognosia
- R41.89 — Other symptoms and signs involving cognitive functions and awareness
- R41.9 — Unspecified symptoms and signs involving cognitive functions and…
R42: Dizziness and giddiness
- R42 — Dizziness and giddiness
R44: Other symptoms and signs involving general sensations and perceptions
- R44.0 — Auditory hallucinations
- R44.2 — Other hallucinations
- R44.3 — Hallucinations, unspecified
R45: Symptoms and signs involving emotional state
- R45.1 — Restlessness and agitation
- R45.2 — Unhappiness
- R45.5 — Hostility
- R45.6 — Violent behavior
- R45.7 — State of emotional shock and stress, unspecified
- R45.81 — Low self-esteem
- R45.82 — Worries
- R45.83 — Excessive crying of child, adolescent or adult
- R45.84 — Anhedonia
- R45.850 — Homicidal ideations
- R45.851 — Suicidal ideations
- R45.88 — Nonsuicidal self-harm
R47: Speech disturbances, not elsewhere classified
- R47.01 — Aphasia
- R47.02 — Dysphasia
- R47.1 — Dysarthria and anarthria
- R47.81 — Slurred speech
- R47.82 — Fluency disorder in conditions classified elsewhere
- R47.89 — Other speech disturbances
- R47.9 — Unspecified speech disturbances
R48: Dyslexia and other symbolic dysfunctions, not elsewhere classified
R49: Voice and resonance disorders
R50: Fever of other and unknown origin
- R50.2 — Drug induced fever
- R50.81 — Fever presenting with conditions classified elsewhere
- R50.82 — Postprocedural fever
- R50.9 — Fever, unspecified
R53: Malaise and fatigue
R55: Syncope and collapse
- R55 — Syncope and collapse
R56: Convulsions, not elsewhere classified
- R56.1 — Post traumatic seizures
- R56.9 — Unspecified convulsions
R57: Shock, not elsewhere classified
R60: Edema, not elsewhere classified
R62: Lack of expected normal physiological development in childhood and adults
- R62.7 — Adult failure to thrive
R63: Symptoms and signs concerning food and fluid intake
- R63.39 — Other feeding difficulties
R65: Symptoms and signs specifically associated with systemic inflammation and infection
- R65.20 — Severe sepsis without septic shock
- R65.21 — Severe sepsis with septic shock
R68: Other general symptoms and signs
R78: Findings of drugs and other substances, not normally found in blood
R79: Other abnormal findings of blood chemistry
- R79.89 — Other specified abnormal findings of blood chemistry
R90: Abnormal findings on diagnostic imaging of central nervous system
- R90.0 — Intracranial space-occupying lesion found on diagnostic imaging of…
- R90.82 — White matter disease, unspecified
R91: Abnormal findings on diagnostic imaging of lung
- R91.8 — Other nonspecific abnormal finding of lung field
R93: Abnormal findings on diagnostic imaging of other body structures
- R93.0 — Abnormal findings on diagnostic imaging of skull and head, not…
- R93.1 — Abnormal findings on diagnostic imaging of heart and coronary…
- R93.5 — Abnormal findings on diagnostic imaging of other abdominal regions…
- R93.89 — Abnormal findings on diagnostic imaging of other specified body…
R94: Abnormal results of function studies
- R94.131 — Abnormal electromyogram [EMG]
- R94.2 — Abnormal results of pulmonary function studies
- R94.30 — Abnormal result of cardiovascular function study, unspecified
- R94.31 — Abnormal electrocardiogram [ECG] [EKG]
- R94.39 — Abnormal result of other cardiovascular function study