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ICD-10-CM Code D74.0
Congenital methemoglobinemia

Billable Code
| ICD-10 from 2011 - 2016

D74.0 is a billable ICD code used to specify a diagnosis of congenital methemoglobinemia. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code D74 is used to code Methemoglobinemia

Methemoglobinemia (or methaemoglobinaemia) is a disorder characterized by the presence of a higher than normal level of methemoglobin (metHb, i.e., ferric [Fe3+] rather than ferrous [Fe2+] haemoglobin) in the blood. Methemoglobin is a form of hemoglobin that contains ferric [Fe3+] iron and has a decreased ability to bind oxygen. However, the ferrous iron has an increased affinity for bound oxygen. The binding of oxygen to methemoglobin results in an increased affinity of oxygen to the three other heme sites (that are still ferrous) within the same tetrameric hemoglobin unit. This leads to an overall reduced ability of the red blood cell to release oxygen to tissues, with the associated oxygen–hemoglobin dissociation curve therefore shifted to the left. When methemoglobin concentration is elevated in red blood cells, tissue hypoxia can occur.

Specialty: Toxicology
MeSH Code: D008708
ICD 9 Code: 289.7
Source: Wikipedia

Coding Notes for D74.0 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Congenital NADH-methemoglobin reductase deficiency
Hemoglobin-M [Hb-M] disease
Methemoglobinemia, hereditary

MS-DRG Mapping

  • DRG Group #811-812 - Red blood cell disorders with MCC.
  • DRG Group #811-812 - Red blood cell disorders without MCC.

ICD-10-CM Alphabetical Index References for 'D74.0 - Congenital methemoglobinemia'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code D74.0. Click on any term below to browse the alphabetical index.


Methemoglobinemia (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code D74.0 and a single ICD9 code, 289.7 is an approximate match for comparison and conversion purposes.

Parent Code: D74 - Methemoglobinemia

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/D740