ICD-10 Diagnosis Code R79.1

Abnormal coagulation profile

Diagnosis Code R79.1

ICD-10: R79.1
Short Description: Abnormal coagulation profile
Long Description: Abnormal coagulation profile
This is the 2018 version of the ICD-10-CM diagnosis code R79.1

Valid for Submission
The code R79.1 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00–R99)
    • Abnormal findings on examination of blood, without diagnosis (R70-R79)
      • Other abnormal findings of blood chemistry (R79)

Information for Medical Professionals

According to ICD-10-CM guidelines this code should not to be used as a principal diagnosis code when a related definitive diagnosis has been established.
Diagnostic Related Groups
The diagnosis code R79.1 is grouped in the following Diagnostic Related Group(s) (MS-DRG V35.0)


Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.
  • 790.92 - Abnrml coagultion prfile

  • Activated partial thromboplastin time finding
  • Bite of unidentified snake with coagulopathy
  • Clotting time above reference range
  • Coagulation/bleeding tests abnormal
  • D-dimer above reference range
  • Deviation of international normalized ratio from target range
  • International normalized ratio abnormal
  • International Normalized Ratio raised
  • Partial thromboplastin time increased
  • Poisoning caused by bite of unidentified snake
  • Prothrombin time abnormal
  • Prothrombin time finding
  • Prothrombin time increased
  • Prothrombin time low
  • Thrombin time abnormal

Index of Diseases and Injuries
References found for the code R79.1 in the Index of Diseases and Injuries:

Information for Patients


Your blood is made up of liquid and solids. The liquid part, called plasma, is made of water, salts, and protein. Over half of your blood is plasma. The solid part of your blood contains red blood cells, white blood cells, and platelets.

Red blood cells (RBC) deliver oxygen from your lungs to your tissues and organs. White blood cells (WBC) fight infection and are part of your immune system. Platelets help blood to clot when you have a cut or wound. Bone marrow, the spongy material inside your bones, makes new blood cells. Blood cells constantly die and your body makes new ones. Red blood cells live about 120 days, and platelets live about 6 days. Some white blood cells live less than a day, but others live much longer.

There are four blood types: A, B, AB, or O. Also, blood is either Rh-positive or Rh-negative. So if you have type A blood, it's either A positive or A negative. Which type you are is important if you need a blood transfusion. And your Rh factor could be important if you become pregnant - an incompatibility between your type and the baby's could create problems.

Blood tests such as blood count tests help doctors check for certain diseases and conditions. They also help check the function of your organs and show how well treatments are working. Problems with your blood may include bleeding disorders, excessive clotting and platelet disorders. If you lose too much blood, you may need a transfusion.

NIH: National Heart, Lung, and Blood Institute

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