Transitory neonatal hypoparathyroidism

This code describes a temporary condition in newborns characterized by abnormally low levels of parathyroid hormone, leading to hypocalcemia. This typically resolves spontaneously within the first few weeks or months of life without long-term sequelae. It is distinct from permanent forms of hypoparathyroidism.

Use this code for neonates presenting with symptoms of hypocalcemia (e.g., tremors, seizures, apnea) where laboratory findings confirm low serum calcium and parathyroid hormone levels, and the condition is expected to be transient. Documentation should clearly indicate the neonatal period and the temporary nature of the hypoparathyroidism.

• Differentiate from congenital or acquired permanent hypoparathyroidism, which would be coded elsewhere.
• Ensure documentation specifies "transitory" or "neonatal" to support this specific code.
• Do not use for hypocalcemia due to other causes (e.g., maternal diabetes, prematurity) unless true hypoparathyroidism is confirmed.