R79.1
BillableAbnormal coagulation profile
Abnormal coagulation profile
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Abnormal or prolonged bleeding time
- Abnormal or prolonged coagulation time
- Abnormal or prolonged partial thromboplastin time [PTT]
- Abnormal or prolonged prothrombin time [PT]
- Low von Willebrand factor
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- asymptomatic hyperuricemia (E79.0)
- hyperglycemia NOS (R73.9)
- hypoglycemia NOS (E16.2)
- neonatal hypoglycemia (P70.3-P70.4)
- specific findings indicating disorder of amino-acid metabolism (E70-E72)
- specific findings indicating disorder of carbohydrate metabolism (E73-E74)
- specific findings indicating disorder of lipid metabolism (E75.-)
- coagulation defects (D68.-)
Excludes 2
Conditions not included here, but the patient may have both
- 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)
- abnormalities of lipids (E78.-)
- abnormalities of platelets and thrombocytes (D69.-)
- abnormalities of white blood cells classified elsewhere (D70-D72)
- coagulation hemorrhagic disorders (D65-D68)
- diagnostic abnormal findings classified elsewhere - see Alphabetical Index
- hemorrhagic and hematological disorders of newborn (P50-P61)
- abnormality of fluid, electrolyte or acid-base balance (E86-E87)
Use Additional Code
Additional codes that should follow this code
- code to identify any retained foreign body, if applicable (Z18.-)
Also Known As / Clinical Terms
SNOMED CT
- Elevated fibrinogen level123791008
- Fibrinogen in blood above reference range123791008
- Decreased fibrinogen131177005
- Fibrinogen below reference range131177005
- Coag./bleeding tests abnormal165563002
- Coagulation/bleeding tests abnormal165563002
- Prothrombin time abnormal165568006
- Prothrombin time low165569003
- Thrombin time abnormal165575007
- Thrombin time outside reference range165575007
- INR (international normalised ratio) abnormal165583001
- INR (international normalised ratio) outside reference range165583001
- INR (international normalized ratio) abnormal165583001
- INR (international normalized ratio) outside reference range165583001
- International normalised ratio abnormal165583001
- International normalised ratio outside reference range165583001
- International normalized ratio abnormal165583001
- International normalized ratio outside reference range165583001
- Menopause monitoring status243875009
- Intrinsic coagulation pathway finding250328005
- Intrinsic coagulation pathway observation250328005
- Intrinsic coagulation system observation250328005
- Extrinsic coagulation pathway finding250338000
- Extrinsic coagulation pathway observation250338000
- Extrinsic coagulation system observation250338000
- Fibrinogen screening finding250345000
- Fibrinogen screening observation250345000
- INR (international normalised ratio) above reference range313341008
- INR (international normalised ratio) raised313341008
- INR (international normalized ratio) above reference range313341008
- INR (international normalized ratio) raised313341008
- International normalised ratio above reference range313341008
- International normalized ratio above reference range313341008
- Hormone replacement therapy bleed pattern - abnormal390989002
- Prothrombin time increased409674002
- Partial thromboplastin time increased409675001
- Deviation of international normalised ratio from target range413086003
- Deviation of international normalized ratio from target range413086003
- INR - international normalised ratio deviation from target413086003
- INR - international normalized ratio deviation from target413086003
- INR deviation from target413086003
- International normalised ratio deviation from target413086003
- International normalized ratio deviation from target413086003
- Activated partial thromboplastin time finding413432001
- Partial thromboplastin time finding413432001
- Prothrombin time finding415184000
- Clotting time above reference range445164007
- D-dimer above reference range449830004
- Elevated D-dimer449830004
- Thrombin time above reference range1155724002
- Thrombin time below reference range1155725001
- Partial thromboplastin time below reference range1155726000
- INR (international normalised ratio) below reference range1285280000
- INR (international normalised ratio) decreased1285280000
- INR (international normalized ratio) below reference range1285280000
- INR (international normalized ratio) decreased1285280000
- International normalised ratio below reference range1285280000
- International normalized ratio below reference range1285280000
- Hypocoagulability state1290465008
- Hypocoagulable state1290465008
- Coagulation factor inhibitor detected in blood after transfusion of coagulation factors1306792008
- Coagulation factor inhibitor present after transfusion of coagulation factors1306792008
UMLS
- Abnormal coagulation profileC0375576
- Abnormal or prolonged bleeding timeC0151529
- Bleeding time increasedC0151529
- Bleeding time prolongedC0151529
- Increased bleeding timeC0151529
- Prolonged bleeding timeC0151529
- bleeding increased timeC0151529
- bleeding time prolongedC0151529
- increased bleeding timeC0151529
- prolonged bleeding timeC0151529
- Abnormal or prolonged coagulation timeC0151563
- Clotting time increasedC0151563
- Clotting time lengthenedC0151563
- Clotting time prolongedC0151563
- Coagulation time NOS prolongedC0151563
- Coagulation time increasedC0151563
- Coagulation time prolongedC0151563
- Prolonged clotting timeC0151563
- Prolonged whole-blood clotting timeC0151563
- Time coagulation prolongedC0151563
- Abnormal or prolonged partial thromboplastin time [PTT]C2830487
- Abnormal or prolonged prothrombin time [PT]C2830488
- Low von Willebrand factorC5575560
Frequently Asked Questions
What is ICD-10 code R79.1?
ICD-10-CM code R79.1 represents "Abnormal coagulation profile". It is a billable/specific code that can be used on a claim.
Is R79.1 a billable code?
Yes, R79.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is R79.1 in?
R79.1 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What codes cannot be used with R79.1?
R79.1 has Excludes1 notes indicating codes that cannot be used together with it, including: asymptomatic hyperuricemia (E79.0); hyperglycemia NOS (R73.9); hypoglycemia NOS (E16.2); and 5 more.
Are additional codes required with R79.1?
Yes, when using R79.1 you should also code: code to identify any retained foreign body, if applicable (Z18.-).
What SNOMED CT codes does R79.1 map to?
R79.1 maps to 26 SNOMED CT concepts: 413432001, 445164007, 165563002, 1306792008, 449830004, and 21 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for R79.1?
R79.1 is linked to 6 UMLS Concept Unique Identifiers: C0375576, C0151529, C0151563, C2830487, C2830488, and 1 more. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.