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ICD-10-CM Codes
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P00-P96
Certain conditions originating in the perinatal period
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P70-P74
Transitory endocrine and metabolic disorders specific to newborn
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P74-
Other transitory neonatal electrolyte and metabolic disturbances
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2021 ICD-10-CM Diagnosis Code P74.21
2021 ICD-10-CM Diagnosis Code P74.21
Hypernatremia of newborn
2019 - New Code 2020 2021 Billable/Specific Code Code on Newborn Record
- P74.21 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2021 edition of ICD-10-CM P74.21 became effective on October 1, 2020.
- This is the American ICD-10-CM version of P74.21 - other international versions of ICD-10 P74.21 may differ.
ICD-10-CM Coding Rules
- P74.21 should be used on the newborn record - not on the maternal record.
The following code(s) above
P74.21 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
P74.21:
ICD-10-CM P74.21 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
- 791 Prematurity with major problems
- 793 Full term neonate with major problems
Code History
- 2019 (effective 10/1/2018): New code
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- Disturbance(s) - see also Disease
- Imbalance R26.89
ICD-10-CM Diagnosis Code R26.89
Other abnormalities of gait and mobility
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- electrolyte E87.8
ICD-10-CM Diagnosis Code E87.8
Other disorders of electrolyte and fluid balance, not elsewhere classified
2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To- Electrolyte imbalance NOS
- Hyperchloremia
- Hypochloremia
- neonatal, transitory NEC P74.49
ICD-10-CM Diagnosis Code P74.49
Other transitory electrolyte disturbance of newborn
2019 - New Code 2020 2021 Billable/Specific Code Code on Newborn Record
- Newborn (infant) (liveborn) (singleton) Z38.2
ICD-10-CM Diagnosis Code Z38.2
Single liveborn infant, unspecified as to place of birth
2016 2017 2018 2019 2020 2021 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
Applicable To- Single liveborn infant NOS
ICD-10-CM Codes Adjacent To P74.21
P72 Other transitory neonatal endocrine disorders
P72.0 Neonatal goiter, not elsewhere classified
P72.1 Transitory neonatal hyperthyroidism
P72.2 Other transitory neonatal disorders of thyroid function, not elsewhere classified
P72.8 Other specified transitory neonatal endocrine disorders
P72.9 Transitory neonatal endocrine disorder, unspecified
P74 Other transitory neonatal electrolyte and metabolic disturbances
P74.0 Late metabolic acidosis of newborn
P74.1 Dehydration of newborn
P74.2 Disturbances of sodium balance of newborn
P74.21
Hypernatremia of newborn
P74.22 Hyponatremia of newborn
P74.3 Disturbances of potassium balance of newborn
P74.31 Hyperkalemia of newborn
P74.4 Other transitory electrolyte disturbances of newborn
P74.42 Disturbances of chlorine balance of newborn
P74.49 Other transitory electrolyte disturbance of newborn
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.