ICD-10-CM
Symptoms, signs and abnormal clinical and laboratory findings
Chapter 18, R00-R99. CDC FY2027 file dated June 16, 2026.
License. US government work, Public Domain Mark 1.0.
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.
201 to 240 of 963
- R21Rash and other nonspecific skin eruptionBillable
- R22Localized swelling, mass and lump of skin, subcutaneousHeader
- R22.0Localized swelling, mass and lump, headBillable
- R22.1Localized swelling, mass and lump, neckBillable
- R22.2Localized swelling, mass and lump, trunkBillable
- R22.3Localized swelling, mass and lump, upper limbHeader
- R22.30Localized swelling, mass and lump, unspecified upper limbBillable
- R22.31Localized swelling, mass and lump, right upper limbBillable
- R22.32Localized swelling, mass and lump, left upper limbBillable
- R22.33Localized swelling, mass and lump, upper limb, bilateralBillable
- R22.4Localized swelling, mass and lump, lower limbHeader
- R22.40Localized swelling, mass and lump, unspecified lower limbBillable
- R22.41Localized swelling, mass and lump, right lower limbBillable
- R22.42Localized swelling, mass and lump, left lower limbBillable
- R22.43Localized swelling, mass and lump, lower limb, bilateralBillable
- R22.9Localized swelling, mass and lump, unspecifiedBillable
- R23Other skin changesHeader
- R23.0CyanosisBillable
- R23.1PallorBillable
- R23.2FlushingBillable
- R23.3Spontaneous ecchymosesBillable
- R23.4Changes in skin textureBillable
- R23.8Other skin changesBillable
- R23.9Unspecified skin changesBillable
- R25Abnormal involuntary movementsHeader
- R25.0Abnormal head movementsBillable
- R25.1Tremor, unspecifiedBillable
- R25.2Cramp and spasmBillable
- R25.3FasciculationBillable
- R25.8Other abnormal involuntary movementsBillable
- R25.9Unspecified abnormal involuntary movementsBillable
- R26Abnormalities of gait and mobilityHeader
- R26.0Ataxic gaitBillable
- R26.1Paralytic gaitBillable
- R26.2Difficulty in walking, not elsewhere classifiedBillable
- R26.8Other abnormalities of gait and mobilityHeader
- R26.81Unsteadiness on feetBillable
- R26.89Other abnormalities of gait and mobilityBillable
- R26.9Unspecified abnormalities of gait and mobilityBillable
- R27Other lack of coordinationHeader
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