Z67.41 Type O blood, Rh negative

ICD10CM code

#### Name of the Condition
- **Type O blood, Rh negative**
- Medical Term: **Rh Negative O Blood Type**

#### Summary
Type O blood, Rh negative is a specific blood type. It is characterized by the absence of both A and B antigens on red blood cells and the lack of the Rh factor, making it less common and often in demand for blood transfusions.

#### Causes
Type O blood, Rh negative is determined by genetics. An individual inherits specific ABO gene variants and the absence of the Rh factor from their parents.

#### Risk Factors
- Genetics: Having one or both parents with Rh negative blood.

#### Symptoms
- No direct symptoms, but it becomes relevant in blood transfusion settings or pregnancies.

#### Diagnosis
- Blood type tests identify antigens on red blood cells and determine both ABO and Rh status.

#### Treatment Options
- There is no treatment as it is not a condition requiring management.
- In pregnancy, Rh-negative individuals may receive Rho(D) immune globulin to prevent complications if their child is Rh positive.

#### Prognosis and Follow-Up
- Routine follow-up not needed unless in specific clinical scenarios like pregnancy or transfusions.

#### Complications
- Incompatible blood transfusion can cause adverse reactions.
- Pregnancy complications can arise if an Rh-negative mother carries an Rh-positive fetus.

#### Lifestyle & Prevention
- Awareness of blood type is essential for medical procedures requiring blood transfusion.
- Rho(D) immune globulin can prevent complications in pregnancies involving Rh incompatibility.

#### When to Seek Professional Help
- Pregnant individuals who are Rh negative should seek medical consultation for appropriate management.
- In case of a needed blood transfusion, informing healthcare providers of one's Rh-negative status is crucial.

#### Additional Resources
- **American Red Cross**: [Blood Types](https://www.redcrossblood.org/)
- **American Association of Blood Banks**: [AABB](https://www.aabb.org/)

#### Tips for Medical Coders
- Ensure accurate coding by verifying both the ABO and Rh type in patient records.
- Common error: confusing Z67.41 with other blood type codes. Double-check patient blood type information.

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