E00-E07 — Disorders of thyroid gland
Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.1.26.
Codes in range
48
No clinical group
1
A period cannot be grouped from these.
Barred as primary
0
CMS rejects these in the primary position.
Where these codes group
46 of the 48 codes in E00-E07 group to MMTA - Endocrine, but the range is not uniform — it spreads across 2 clinical groups. A further 1 are assigned no clinical group at all, which means a 30-day period cannot be grouped from them.
Every code in E00-E07
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| E000 | Congenital iodine-deficiency syndrome, neurological type | A | Accepted |
| E001 | Congenital iodine-deficiency syndrome, myxedematous type | I | Accepted |
| E002 | Congenital iodine-deficiency syndrome, mixed type | I | Accepted |
| E009 | Congenital iodine-deficiency syndrome, unspecified | I | Accepted |
| E010 | Iodine-deficiency related diffuse (endemic) goiter | I | Accepted |
| E011 | Iodine-deficiency related multinodular (endemic) goiter | I | Accepted |
| E012 | Iodine-deficiency related (endemic) goiter, unspecified | I | Accepted |
| E018 | Oth iodine-deficiency related thyroid disord and allied cond | I | Accepted |
| E02 | Subclinical iodine-deficiency hypothyroidism | I | Accepted |
| E030 | Congenital hypothyroidism with diffuse goiter | I | Accepted |
| E031 | Congenital hypothyroidism without goiter | I | Accepted |
| E032 | Hypothyroidism due to meds and oth exogenous substances | I | Accepted |
| E033 | Postinfectious hypothyroidism | I | Accepted |
| E034 | Atrophy of thyroid (acquired) | I | Accepted |
| E035 | Myxedema coma | I | Accepted |
| E038 | Other specified hypothyroidism | I | Accepted |
| E039 | Hypothyroidism, unspecified | I | Accepted |
| E040 | Nontoxic diffuse goiter | I | Accepted |
| E041 | Nontoxic single thyroid nodule | I | Accepted |
| E042 | Nontoxic multinodular goiter | I | Accepted |
| E048 | Other specified nontoxic goiter | I | Accepted |
| E049 | Nontoxic goiter, unspecified | I | Accepted |
| E0500 | Thyrotoxicosis w diffuse goiter w/o thyrotoxic crisis | I | Accepted |
| E0501 | Thyrotoxicosis w diffuse goiter w thyrotoxic crisis or storm | I | Accepted |
| E0510 | Thyrotxcosis w toxic sing thyroid nodule w/o thyrotxc crisis | I | Accepted |
| E0511 | Thyrotxcosis w toxic single thyroid nodule w thyrotxc crisis | I | Accepted |
| E0520 | Thyrotxcosis w toxic multinod goiter w/o thyrotoxic crisis | I | Accepted |
| E0521 | Thyrotxcosis w toxic multinodular goiter w thyrotoxic crisis | I | Accepted |
| E0530 | Thyrotxcosis from ectopic thyroid tissue w/o thyrotxc crisis | I | Accepted |
| E0531 | Thyrotxcosis from ectopic thyroid tissue w thyrotoxic crisis | I | Accepted |
| E0540 | Thyrotoxicosis factitia without thyrotoxic crisis or storm | I | Accepted |
| E0541 | Thyrotoxicosis factitia with thyrotoxic crisis or storm | I | Accepted |
| E0580 | Other thyrotoxicosis without thyrotoxic crisis or storm | I | Accepted |
| E0581 | Other thyrotoxicosis with thyrotoxic crisis or storm | I | Accepted |
| E0590 | Thyrotoxicosis, unsp without thyrotoxic crisis or storm | I | Accepted |
| E0591 | Thyrotoxicosis, unspecified with thyrotoxic crisis or storm | I | Accepted |
| E060 | Acute thyroiditis | I | Accepted |
| E061 | Subacute thyroiditis | I | Accepted |
| E062 | Chronic thyroiditis with transient thyrotoxicosis | I | Accepted |
| E063 | Autoimmune thyroiditis | I | Accepted |
| E064 | Drug-induced thyroiditis | I | Accepted |
| E065 | Other chronic thyroiditis | I | Accepted |
| E069 | Thyroiditis, unspecified | I | Accepted |
| E070 | Hypersecretion of calcitonin | I | Accepted |
| E071 | Dyshormogenetic goiter | I | Accepted |
| E0781 | Sick-euthyroid syndrome | I | Accepted |
| E0789 | Other specified disorders of thyroid | I | Accepted |
| E079 | Disorder of thyroid, unspecified | None | Cannot group |
Source: CMS HH PPS Grouper Software v07.1.26, effective 2026-04-01. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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