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ICD-10-CM Code for Methylenetetrahydrofolate reductase deficiency E72.12

ICD-10 code E72.12 for Methylenetetrahydrofolate reductase deficiency is a medical classification as listed by WHO under the range - Endocrine, nutritional and metabolic diseases .

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Official Long Descriptor

Methylenetetrahydrofolate reductase deficiency

E72.1

Excludes1: cystinosis (E72.04)
cystinuria (E72.01)
transcobalamin II deficiency (D51.2)

E72

Excludes1: disorders of:
aromatic amino-acid metabolism (E70.-)
branched-chain amino-acid metabolism (E71.0-E71.2)
fatty-acid metabolism (E71.3)
purine and pyrimidine metabolism (E79.-)
gout (M1A.-, M10.-)

Additional/Related Information

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Get crucial instructions for accurate ICD-10-CM E72.12 coding with all applicable Excludes 1 and Excludes 2 notes from the section level conveniently shown with each code.
This section shows you chapter-specific coding guidelines to increase your understanding and correct usage of the target ICD-10-CM Volume 1 code.

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Have a question about ICD-10-CM Code E72.12 ? Start a discussion here
Question about ICD10 exclusions
Hi, I have a question about the ICD10 type 1 exclusions. Does anybody know why they are not bidirectional? For example: E72 has E70.0 in the excludes. However, if you look up E70.0, it doesn't have... [ Read More ]
Does Time trump E/M Components?
My provider is insisting that a 99214 is appropriate for the following visit even though she did not complete Review of Systems as time trumps these components. I have now notices that time hasn't bee... [ Read More ]
OB/GYN ICD-10 question
A pregnant patient is being seen in the office who has MTHFR. MTHFR is coded as E72.12 in ICD-10. I know the primary code should be O99.283, but do I also add the E72.12 as a secondary code? I am l... [ Read More ]
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