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ICD-10 Dx for Elevated Troponin

  1. #1
    Default ICD-10 Dx for Elevated Troponin
    Medical Coding Books

    I'm trying to determine what the ICD-10 Dx code is for Elevated Troponin? I know people went back & forth on the correct Dx code in ICD-9, and I have no clue what direction to take in ICD-10.

    Thank you,

  2. #2
    We use 790.99 for that in ICD, on AAPC's website they have a coding conversion so when I put that in in coverts it to R78.89 or R78.9

    Hope that helps

  3. #3
    Northern Plains Chapter
    You should not use R78.89 or R78.9 as that is substances not normally found in the blood. Troponin is a protein in your blood that helps with muscle contraction. I would use R79.89, Other specified abnormal findings of blood chemistry.

  4. Default
    Could R77.8 also work for Elevated Troponin?

  5. #5
    We use R74.8
    C. Weaver, CPC, CCC

  6. #6
    Sacramento, CA
    Default Would use R77.8
    Quote Originally Posted by cweavercpc View Post
    We use R74.8
    "Troponin is a complex of three regulatory proteins (troponin C, troponin I, and troponin T) that is integral.."

    "Certain subtypes of troponin (cardiac I and T) are very sensitive and specific indicators of damage to the heart muscle (myocardium). They are measured in the blood to differentiate between unstable angina and myocardial infarction (heart attack) in people with chest pain.."

    Troponin is a plasma protein.

    Per the American College of Cardiology Journal, "Cardiac troponin T (cTnT) is a plasma protein routinely used for the diagnosis of acute myocardial infarction (AMI).."


    R77.8 is correct
    Jacob A. Villa CCS,CCA, CPC
    Professional Services Coder II
    Former Education Officer, Sacramento, CA Local

  7. #7
    Default Sithu anirudhan coc
    Elevated Tropomin - R79.89 - Other specified abnormal findings of blood chemistry

  8. Default +1 for JVilla's Rationale
    Troponin is a complex of three proteins;
    • it's not an enzyme so it doesn't fall under R74.8;
    • a more-specific code exists so it doesn't fall under R79.89

    R77.8 is the correct choice

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