ICD-10 Code for Tetany
Also indexed as (due to)
The ICD-10-CM code for tetany is R29.0 — Tetany. This is the code the Alphabetic Index gives for tetany with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
Billable
Which tetany code should you use?
The Alphabetic Index lists 9 codes under Tetany. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.
By type
| alkalosis | E87.3 | Alkalosis | |
| associated with rickets | E55.0 | Rickets, active | |
| convulsions | R29.0 | Tetany | |
| functional | F44.5 | Conversion disorder with seizures or convulsions | |
| hyperkinetic | R29.0 | Tetany | |
| hyperpnea | R06.4 | Hyperventilation | |
| hyperventilation | R06.4 | Hyperventilation | |
| neonatal | P71.3 | Neonatal tetany without calcium or magnesium deficiency | |
| parathyroid | E20.9 | Hypoparathyroidism, unspecified | |
| parathyroprival | E89.2 | Postprocedural hypoparathyroidism | |
| post-thyroidectomy | E89.2 | Postprocedural hypoparathyroidism | |
| postoperative | E89.2 | Postprocedural hypoparathyroidism | |
| pseudotetany | R29.0 | Tetany | |
| psychogenic | F44.5 | Conversion disorder with seizures or convulsions |
Tetany convulsions
| hysterical | F44.5 | Conversion disorder with seizures or convulsions |
Tetany hyperkinetic
| hysterical | F44.5 | Conversion disorder with seizures or convulsions |
Tetany hyperpnea
Tetany hyperventilation
| hysterical | F44.5 | Conversion disorder with seizures or convulsions |
Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources