Search All ICD-10 ICD-10-CM Diagnosis Codes ICD-10-PCS Procedure Codes ICD-10-CM Diagnosis Index ICD-10-CM External Causes Index ICD-10-CM Table of Drugs ICD-10-CM Table of Neoplasms ICD-9-CM Diagnosis Codes ICD-9-Vol-3 Procedure Code Search All Data Codes ICD-10-CM Codes ICD-10-PCS Codes Legacy ICD-9-CM Codes ICD-10-CM Codes ICD-10-PCS Codes Legacy ICD-9-CM Codes Indexes ICD-10-CM Index ICD-10-CM External Causes Index Table of Drugs Table of Neoplasms ICD-10-CM Index ICD-10-CM External Causes Index Table of Neoplasms Rules ICD-10-CM Newborn Codes Pediatric Codes Adult Codes Maternity Codes Female Only Diagnosis Codes Male Only Diagnosis Codes Manifestation Codes POA Exempt Codes Questionable Admission Codes Billable/Specific Codes Non-Billable/Non-Specific Codes ICD-10-PCS Female Only Procedure Codes Male Only Procedure Codes Pediatric Codes Maternity Codes Female Only Diagnosis Codes Male Only Diagnosis Codes Manifestation Codes POA Exempt Codes Questionable Admission Codes Billable/Specific Codes Non-Billable/Non-Specific Codes Female Only Procedure Codes Male Only Procedure Codes Analytics Applicable To Crosswalk Code Also Crosswalk Code First Crosswalk Includes Crosswalk Note Crosswalk Type 1 Excludes Crosswalk Type 2 Excludes Crosswalk Use Additional Crosswalk Applicable To Crosswalk Code Also Crosswalk Code First Crosswalk Includes Crosswalk Type 1 Excludes Crosswalk Type 2 Excludes Crosswalk Use Additional Crosswalk Changes ICD-10-CM New 2026 Codes Codes Revised in 2026 Codes Deleted in 2026 ICD-10-PCS New 2026 Codes Codes Revised in 2026 Codes Deleted in 2026 Codes Revised in 2026 Codes Deleted in 2026 Codes Revised in 2026 Codes Deleted in 2026 HCPCS Codes Modifiers License Data Files ICD-10-CM Codes 2026 ICD-10-CM Diagnosis Code R31.9 Hematuria, unspecified R31.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2026 edition of ICD-10-CM R31.9 became effective on October 1, 2025. This is the American ICD-10-CM version of R31.9 - other international versions of ICD-10 R31.9 may differ. Applicable To annotations, or Code Also annotations, or Code First annotations, or Excludes1 annotations, or Excludes2 annotations, or Includes annotations, or Note annotations, or Use Additional annotations R00-R99 2026 ICD-10-CM Range R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified Note This chapter includes symptoms, signs, abnormal results of clinical or other investigative procedures, and ill-defined conditions regarding which no diagnosis classifiable elsewhere is recorded. Signs and symptoms that point rather definitely to a given diagnosis have been assigned to a category in other chapters of the classification. In general, categories in this chapter include the less well-defined conditions and symptoms that, without the necessary study of the case to establish a final diagnosis, point perhaps equally to two or more diseases or to two or more systems of the body. Practically all categories in the chapter could be designated 'not otherwise specified', 'unknown etiology' or 'transient'. The Alphabetical Index should be consulted to determine which symptoms and signs are to be allocated here and which to other chapters. The residual subcategories, numbered .8, are generally provided for other relevant symptoms that cannot be allocated elsewhere in the classification. The conditions and signs or symptoms included in categories R00 - R94 consist of: (a) cases for which no more specific diagnosis can be made even after all the facts bearing on the case have been investigated; (b) signs or symptoms existing at the time of initial encounter that proved to be transient and whose causes could not be determined; (c) provisional diagnosis in a patient who failed to return for further investigation or care; (d) cases referred elsewhere for investigation or treatment before the diagnosis was made; (e) cases in which a more precise diagnosis was not available for any other reason; (f) certain symptoms, for which supplementary information is provided, that represent important problems in medical care in their own right. Type 2 Excludes abnormal findings on antenatal screening of mother ( O28.- ) certain conditions originating in the perinatal period ( P04 - P96 ) signs and symptoms classified in the body system chapters signs and symptoms of breast ( N63 , N64.5 ) Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified Note This chapter includes symptoms, signs, abnormal results of clinical or other investigative procedures, and ill-defined conditions regarding which no diagnosis classifiable elsewhere is recorded. Signs and symptoms that point rather definitely to a given diagnosis have been assigned to a category in other chapters of the classification. In general, categories in this chapter include the less well-defined conditions and symptoms that, without the necessary study of the case to establish a final diagnosis, point perhaps equally to two or more diseases or to two or more systems of the body. Practically all categories in the chapter could be designated 'not otherwise specified', 'unknown etiology' or 'transient'. The Alphabetical Index should be consulted to determine which symptoms and signs are to be allocated here and which to other chapters. The residual subcategories, numbered .8, are generally provided for other relevant symptoms that cannot be allocated elsewhere in the classification. The conditions and signs or symptoms included in categories R00 - R94 consist of: (a) cases for which no more specific diagnosis can be made even after all the facts bearing on the case have been investigated; (b) signs or symptoms existing at the time of initial encounter that proved to be transient and whose causes could not be determined; (c) provisional diagnosis in a patient who failed to return for further investigation or care; (d) cases referred elsewhere for investigation or treatment before the diagnosis was made; (e) cases in which a more precise diagnosis was not available for any other reason; (f) certain symptoms, for which supplementary information is provided, that represent important problems in medical care in their own right. Type 2 Excludes abnormal findings on antenatal screening of mother ( O28.- ) certain conditions originating in the perinatal period ( P04 - P96 ) signs and symptoms classified in the body system chapters signs and symptoms of breast ( N63 , N64.5 ) This chapter includes symptoms, signs, abnormal results of clinical or other investigative procedures, and ill-defined conditions regarding which no diagnosis classifiable elsewhere is recorded. Signs and symptoms that point rather definitely to a given diagnosis have been assigned to a category in other chapters of the classification. In general, categories in this chapter include the less well-defined conditions and symptoms that, without the necessary study of the case to establish a final diagnosis, point perhaps equally to two or more diseases or to two or more systems of the body. Practically all categories in the chapter could be designated 'not otherwise specified', 'unknown etiology' or 'transient'. The Alphabetical Index should be consulted to determine which symptoms and signs are to be allocated here and which to other chapters. The residual subcategories, numbered .8, are generally provided for other relevant symptoms that cannot be allocated elsewhere in the classification. The conditions and signs or symptoms included in categories R00 - R94 consist of: (a) cases for which no more specific diagnosis can be made even after all the facts bearing on the case have been investigated; (b) signs or symptoms existing at the time of initial encounter that proved to be transient and whose causes could not be determined; (c) provisional diagnosis in a patient who failed to return for further investigation or care; (d) cases referred elsewhere for investigation or treatment before the diagnosis was made; (e) cases in which a more precise diagnosis was not available for any other reason; (f) certain symptoms, for which supplementary information is provided, that represent important problems in medical care in their own right. abnormal findings on antenatal screening of mother ( O28.- ) certain conditions originating in the perinatal period ( P04 - P96 ) signs and symptoms classified in the body system chapters signs and symptoms of breast ( N63 , N64.5 ) R31 ICD-10-CM Diagnosis Code R31 Hematuria 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 Non-Billable/Non-Specific Code Type 1 Excludes hematuria included with underlying conditions, such as: acute cystitis with hematuria ( N30.01 ) recurrent and persistent hematuria in glomerular diseases ( N02.- ) Hematuria hematuria included with underlying conditions, such as: acute cystitis with hematuria ( N30.01 ) recurrent and persistent hematuria in glomerular diseases ( N02.- ) Familial hematuria Hematuria (blood in urine) Hematuria, familial Hematuria, traumatic Traumatic hematuria A disorder characterized by laboratory test results that indicate blood in the urine. Blood in the urine. Presence of blood in the urine. 695 Kidney and urinary tract signs and symptoms with mcc 696 Kidney and urinary tract signs and symptoms without mcc 791 Prematurity with major problems 793 Full term neonate with major problems Convert R31.9 to ICD-9-CM 2016 (effective 10/1/2015) : New code (first year of non-draft ICD-10-CM) 2017 (effective 10/1/2016) : No change 2018 (effective 10/1/2017) : No change 2019 (effective 10/1/2018) : No change 2020 (effective 10/1/2019) : No change 2021 (effective 10/1/2020) : No change 2022 (effective 10/1/2021) : No change 2023 (effective 10/1/2022) : No change 2024 (effective 10/1/2023) : No change 2025 (effective 10/1/2024) : No change 2026 (effective 10/1/2025) : No change Type 1 Excludes: N02 ICD-10-CM Diagnosis Code N02 Recurrent and persistent hematuria 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 Non-Billable/Non-Specific Code Type 1 Excludes acute cystitis with hematuria ( N30.01 ) hematuria NOS ( R31.9 ) hematuria not associated with specified morphologic lesions ( R31.- ) Recurrent and persistent hematuria acute cystitis with hematuria ( N30.01 ) hematuria NOS ( R31.9 ) hematuria not associated with specified morphologic lesions ( R31.- ) Diagnosis Index entries containing back-references to R31.9 : Hematuria R31.9 Hemorrhage, hemorrhagic (concealed) R58 ICD-10-CM Diagnosis Code R58 Hemorrhage, not elsewhere classified 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 Billable/Specific Code Applicable To Hemorrhage NOS Type 1 Excludes hemorrhage included with underlying conditions, such as: acute duodenal ulcer with hemorrhage ( K26.0 ) acute gastritis with bleeding ( K29.01 ) ulcerative enterocolitis with rectal bleeding ( K51.01 ) genitourinary R31.9 (tract) Tommaselli's disease R31.9 Hematuria R31.9 Hemorrhage, hemorrhagic (concealed) R58 ICD-10-CM Diagnosis Code R58 Hemorrhage, not elsewhere classified 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 Billable/Specific Code Applicable To Hemorrhage NOS Type 1 Excludes hemorrhage included with underlying conditions, such as: acute duodenal ulcer with hemorrhage ( K26.0 ) acute gastritis with bleeding ( K29.01 ) ulcerative enterocolitis with rectal bleeding ( K51.01 ) genitourinary R31.9 (tract) Hemorrhage, not elsewhere classified hemorrhage included with underlying conditions, such as: acute duodenal ulcer with hemorrhage ( K26.0 ) acute gastritis with bleeding ( K29.01 ) ulcerative enterocolitis with rectal bleeding ( K51.01 ) genitourinary R31.9 (tract) Tommaselli's disease R31.9 Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes. 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