ICD-10-CM
Symptoms, signs and abnormal clinical and laboratory findings
Chapter 18, R00-R99. CDC FY2027 file dated June 16, 2026.
License: a US government work, in the public domain (Public Domain Mark 1.0).
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Categories
89 categories in this chapter. Open one, or page through every code below.
- R00Abnormalities of heart beat
- R01Cardiac murmurs and other cardiac sounds
- R03Abnormal blood-pressure reading, without diagnosis
- R04Hemorrhage from respiratory passages
- R05Cough
- R06Abnormalities of breathing
- R07Pain in throat and chest
- R09Other symptoms and signs involving the circ and respiratory system
- R10Abdominal and pelvic pain
- R11Nausea and vomiting
- R12Heartburn
- R13Aphagia and dysphagia
- R14Flatulence and related conditions
- R15Fecal incontinence
- R16Hepatomegaly and splenomegaly, not elsewhere classified
- R17Unspecified jaundice
- R18Ascites
- R19Other symptoms and signs involving the digestive system and abdomen
- R20Disturbances of skin sensation
- R21Rash and other nonspecific skin eruption
- R22Localized swelling, mass and lump of skin, subcutaneous
- R23Other skin changes
- R25Abnormal involuntary movements
- R26Abnormalities of gait and mobility
- R27Other lack of coordination
- R29Other symptoms and signs involving the nervous and ms systems
- R30Pain associated with micturition
- R31Hematuria
- R32Unspecified urinary incontinence
- R33Retention of urine
- R34Anuria and oliguria
- R35Polyuria
- R36Urethral discharge
- R37Sexual dysfunction, unspecified
- R39Other and unspecified symptoms and signs involving the GU system
- R40Somnolence, stupor and coma
53 more categories are in this chapter. Type a code or a term to open one.
Codes
A header groups codes and is not billed. A billable code is one you can report.
481 to 520 of 963
- R40.2433Glasgow coma scale score 3-8, at hospital admissionBillable
- R40.2434Glasgow coma scale score 3-8, 24+hrsBillable
- R40.244Other coma,without Glasgow coma scale score,or with/part score reportHeader
- R40.2440Other coma, without Glasgow, or with/part score, unspecified timeBillable
- R40.2441Other coma, without Glasgow, or with/part score, in the fieldBillable
- R40.2442Other coma, without documented Glasgow, or with/part score, EMRBillable
- R40.2443Other coma, without Glasgow, or with/part score, admitBillable
- R40.2444Other coma, without Glasgow, or with/part score, 24+hrsBillable
- R40.2ANontraumatic coma due to underlying conditionBillable
- R40.3Persistent vegetative stateBillable
- R40.4Transient alteration of awarenessBillable
- R41Other symptoms and signs with cognitive functions and awarenessHeader
- R41.0Disorientation, unspecifiedBillable
- R41.1Anterograde amnesiaBillable
- R41.2Retrograde amnesiaBillable
- R41.3Other amnesiaBillable
- R41.4Neurologic neglect syndromeBillable
- R41.8Other symptoms and signs with cognitive functions and awarenessHeader
- R41.81Age-related cognitive declineBillable
- R41.82Altered mental status, unspecifiedBillable
- R41.83Borderline intellectual functioningBillable
- R41.84Other specified cognitive deficitHeader
- R41.840Attention and concentration deficitBillable
- R41.841Cognitive communication deficitBillable
- R41.842Visuospatial deficitBillable
- R41.843Psychomotor deficitBillable
- R41.844Frontal lobe and executive function deficitBillable
- R41.85AnosognosiaBillable
- R41.89Other symptoms and signs with cognitive functions and awarenessBillable
- R41.9Unspecified symptoms and signs with cognitive functions and awarenessBillable
- R42Dizziness and giddinessBillable
- R43Disturbances of smell and tasteHeader
- R43.0AnosmiaBillable
- R43.1ParosmiaBillable
- R43.2ParageusiaBillable
- R43.8Other disturbances of smell and tasteBillable
- R43.9Unspecified disturbances of smell and tasteBillable
- R44Other symptoms and signs with general sensations and perceptionsHeader
- R44.0Auditory hallucinationsBillable
- R44.1Visual hallucinationsBillable