Valid for Submission
D74.9 is a billable diagnosis code used to specify a medical diagnosis of methemoglobinemia, unspecified. The code D74.9 is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.
The ICD-10-CM code D74.9 might also be used to specify conditions or terms like methemoglobinemia.
Unspecified diagnosis codes like D74.9 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.
Index to Diseases and Injuries
The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code D74.9 are found in the index:
- - Methemoglobinemia - D74.9
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- METHEMOGLOBINEMIA-. the presence of methemoglobin in the blood resulting in cyanosis. a small amount of methemoglobin is present in the blood normally but injury or toxic agents convert a larger proportion of hemoglobin into methemoglobin which does not function reversibly as an oxygen carrier. methemoglobinemia may be due to a defect in the enzyme nadh methemoglobin reductase an autosomal recessive trait or to an abnormality in hemoglobin m an autosomal dominant trait. dorland 27th ed
Diagnostic Related Groups - MS-DRG Mapping
Convert D74.9 to ICD-9 Code
The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code D74.9 its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.
Information for Patients
Also called: Hematologic diseases
Your blood is living tissue 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.
Blood disorders affect one or more parts of the blood and prevent your blood from doing its job. They can be acute or chronic. Many blood disorders are inherited. Other causes include other diseases, side effects of medicines, and a lack of certain nutrients in your diet.
Types of blood disorders include
- Platelet disorders, excessive clotting, and bleeding problems, which affect how your blood clots
- Anemia, which happens when your blood does not carry enough oxygen to the rest of your body
- Cancers of the blood, such as leukemia and myeloma
- Eosinophilic disorders, which are problems with one type of white blood cell.
- Blood differential test (Medical Encyclopedia)
- Blood smear (Medical Encyclopedia)
- CBC (Medical Encyclopedia)
- Hematocrit (Medical Encyclopedia)
- Hemoglobin (Medical Encyclopedia)
- Low white blood cell count and cancer (Medical Encyclopedia)
- RBC count (Medical Encyclopedia)
- RBC indices (Medical Encyclopedia)
- WBC count (Medical Encyclopedia)
[Learn More in MedlinePlus]